Other Games
Life Story
Complete the Master Chief Saga playlist.
Achievement
Just Getting Started
Kill 100 enemies or players.
Achievement
Thanks A Killion
Kill 20,000 enemies or players.
Achievement
Medal Completionist
Collect 10,000 campaign or playlist medals.
Achievement
The Guardians Are Coming
Get killed by the Guardians.
Achievement
Bite The Hand
Kill a 343 developer in matchmaking or someone who has this achievement.
Achievement
Mystery Achievement
Inscrutable. Mysterious.
Achievement
Where Am I?
Complete 10 missions or multiplayer games.
Achievement
I Got This
Complete 100 missions or multiplayer games.
Achievement
Tempered Blade
Win 10 multiplayer games.
Achievement
Forged in Fire
Win 100 multiplayer games.
Achievement
Sample Plate
Complete three cross-game playlists.
Achievement
Balaho's Most Wanted
Kill 100 Grunts.
Achievement
I Dabble in Slaying
Complete one cross-game playlist.
Achievement
Stick With It...A Little Longer
Play a multiplayer or co-op game at least 3 months after your first game.
Achievement
Veteran
Complete all campaigns on Normal difficulty.
Achievement
War Hero
Complete all campaigns on Heroic difficulty.
Achievement
Legend
Complete all campaigns on Legendary difficulty.
Achievement
Lore Master
Activate all terminals.
Achievement
Your Journey Begins
Complete a campaign mission or a match of multiplayer.
Achievement
LASO Master
Complete each individual game specific LASO playlist for every Halo game.
Achievement
Pillar of Autumn
Halo CE: Complete The Pillar of Autumn.
Achievement
Halo
Halo CE: Complete Halo.
Achievement
The One Percent
Kill 100 Elites.
Achievement
Truth and Reconciliation
Halo CE: Complete The Truth and Reconciliation.
Achievement
The Silent Cartographer
Halo CE: Complete The Silent Cartographer.
Achievement
Spoilsport
Kill 100 Jackals.
Achievement
Going Bananas
Kill 100 Brutes.
Achievement
Hunters Hunted
Kill 50 Hunters.
Achievement
Checkmate
Kill 100 Watchers.
Achievement
I Was Wondering What Would Break First
Kill 100 Knights.
Achievement
Pest Control
Kill 100 Crawlers.
Achievement
Dirge of Madrigal
Halo 3: Trigger the hidden music cue in Halo 3.
Achievement
Primate
Halo 3: Find your first missing links.
Achievement
Man on the Moon
Halo 3: He's watching you.
Achievement
Delicious Brains
Kill 100 Flood.
Achievement
Zombie Repeller
Kill 1000 Flood.
Achievement
Elder Signs
Halo 3: View 2 different sigils on Valhalla.
Achievement
Third Time's A Charm
Halo 3: Play a game of Halo 3 on the 25th of any month.
Achievement
Devastating
Halo 3: Complete all Halo 3 Legendary campaign missions in under 3 hours.
Achievement
Dawn
Halo 4: Complete Dawn.
Achievement
Requiem
Halo 4: Complete Requiem.
Achievement
Forerunner
Halo 4: Complete Forerunner.
Achievement
Infinity
Halo 4: Complete Infinity.
Achievement
Haplorrhini
Halo 3: Find a lonely missing link.
Achievement
Reclaimer
Halo 4: Complete Reclaimer.
Achievement
Shutdown
Halo 4: Complete Shutdown.
Achievement
Composer
Halo 4: Complete Composer.
Achievement
Midnight
Halo 4: Complete Midnight.
Achievement
Piece of Cake
Halo 4: Beat the par time on Dawn.
Achievement
Interloper
Halo 4: Beat the par time on Requiem.
Achievement
Raging in the Dark
Halo 4: Beat the par time on Forerunner.
Achievement
Ouroboros
Halo 4: Beat the par time on Infinity.
Achievement
Gimme That
Halo 4: Beat the par time on Reclaimer.
Achievement
Shut. Down. Everything.
Halo 4: Beat the par time on Shutdown.
Achievement
Can't Keep Him Down
Halo 3: Fight alongside and listen to The Man. The Legend. Chips Dubbo.
Achievement
Symphony of Pain
Halo 4: Beat the par time on Composer.
Achievement
Countdown
Halo 4: Beat the par time on Midnight.
Achievement
Flipyap
Halo 3: Listen to the tale of a young Grunt named Flipyap.
Achievement
Heading to his Destiny
Halo 3: Destined for greatness.
Achievement
Sounds Familiar
Halo 3: This stuff is your history!
Achievement
Hippo Hero
Halo 3: Who DARED to discard this brave animal?
Achievement
Milk Carton
Halo 3: Find the poster of the missing man.
Achievement
Cool Story Bro
Halo 3: Listen to the story of the Final Grunt.
Achievement
Easy As One Two Three
Halo 4: Beat the par time on all Halo 4 levels.
Achievement
Gunslinger
Halo 4: Beat the par score on Dawn.
Achievement
War
Halo 4: Activate Terminal 1 on Requiem.
Achievement
Lord of Admirals
Halo 4: Activate Terminal 2 on Forerunner.
Achievement
Charum Hakkor
Halo 4: Activate Terminal 3 on Infinity.
Achievement
Flood
Halo 4: Activate Terminal 4 on Reclaimer.
Achievement
Knights
Halo 4: Activate Terminal 5 on Shutdown.
Achievement
Justice
Halo 4: Activate Terminal 6 on Composer.
Achievement
Cryptum
Halo 4: Activate Terminal 7 on Midnight.
Achievement
Terminus
Halo 4: Activate all Halo 4 Terminals.
Achievement
Wake Up, John
Halo 4: Complete every level of the game on Normal difficulty.
Achievement
I Need a Hero
Halo 4: Complete every level of the game on Heroic difficulty.
Achievement
Dark Fortress
Halo 4: Beat the par score on Requiem.
Achievement
The Legend of 117
Halo 4: Complete every level of the game on Legendary difficulty.
Achievement
Lone Wolf Legend
Halo 4: Complete every level of the game on Legendary difficulty, by yourself.
Achievement
This is my Rifle, This is my Gun
Halo 4: Carry a UNSC weapon all the way through Forerunner on Heroic or Legendary.
Achievement
Bros to the Close
Halo 4: Complete Infinity without one preventable Marine death on Heroic or Legendary.
Achievement
Explore the Floor
Halo 4: Trick or force a Hunter to fall to its demise on Shutdown on Heroic or Legendary.
Achievement
Give Him the Stick
Halo 4: Take out both Hunters using only the Sticky Detonator on Composer.
Achievement
Chief, Smash!
Halo 4: Kill 3 Crawlers in one hit with the Gravity Hammer on Midnight.
Achievement
You're No Chips
Halo 4: What do Marines know about sticks?
Achievement
A Long Time Ago
Halo 4: Play a game of Halo 4 on the 6th of any month.
Achievement
You're Joking
Halo 4: Complete all Halo 4 Legendary campaign missions in under 3 hours.
Achievement
Shadow of Sundered Star
Halo 4: Beat the par score on Forerunner.
Achievement
He's Running a Marathon...
Halo 2: Spot the developer in the opening cutscene of Gravemind on Legendary in Classic Mode.
Achievement
Destination Vacation
Halo 2: View one of the seasonal signs on Zanzibar in classic multiplayer.
Achievement
Jungle Warfare
Halo 4: Beat the par score on Infinity.
Achievement
Librarian's Pet
Halo 4: Beat the par score on Reclaimer.
Achievement
Emergency Shutdown
Halo 4: Beat the par score on Shutdown.
Achievement
Head Banging
Halo 4: Beat the par score on Composer.
Achievement
Witching Hour
Halo 4: Beat the par score on Midnight.
Achievement
You Had it Coming
Halo 4: Beat the par score on every Halo 4 level.
Achievement
Tighten Up The Graphics
Halo 2: Complete every level of Halo 2 having seen it in both classic and remastered mode.
Achievement
Mind the Gap
Halo 3: 4 vehicles, 1 gap on Legendary using Cowbell, Catch, Thunderstorm, Mythic, and Tough Luck.
Achievement
The Return of Megg
Halo 2: She's not picking up.
Achievement
No-Fly Zone
Halo CE: Destroy three of the four Banshees on Halo during a single play-through.
Achievement
Bro Hammer
Complete any co-op level on Legendary difficulty.
Achievement
Digging up the Past
Halo 4: Access the Master Chief's records on Dawn.
Achievement
Missing Link
Halo 3: Watching. Waiting. Plotting.
Achievement
Eminent Domain
Halo 2A MP: In Territories, control any 3 Territories simultaneously for 30 seconds.
Achievement
Game Master
Created and saved 5 Custom Game types.
Achievement
Gate Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Stonetown.
Achievement
High Altitude Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Zenith.
Achievement
Invaders Repelled
Halo 2A MP: In King of the Hill, kill 5 opponents within your controlled hill.
Achievement
Back In The Day
Halo CE: Play a CTF custom game on Blood Gulch with 4 players. Tri-tip optional.
Achievement
Master Forger
Created and saved 5 Custom Maps in Forge.
Achievement
Power Play
Halo 2A MP: On Warlord, get 5 active camouflage power ups in a single game.
Achievement
Put Up Your Dukes
Halo 2A MP: Get 25 melee kills in multiplayer.
Achievement
Red vs. Blue
Halo 2A MP: Win 10 matches on Bloodline in multiplayer.
Achievement
Rule Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Warlord.
Achievement
Shields Up!
Halo 2A MP: On Zenith, personally activate the center energy shield 3 times in one matchmade game.
Achievement
Shook the Hornet's Nest
Halo 2A MP: Get 30 kills with the Hornet in multiplayer.
Achievement
Skeet Shooter
Halo 2A MP: Killed 15 opponents that were airborne from a Man Cannon.
Achievement
Stayin' Alive
Halo 2A MP: In Juggernaut, survive as the Juggernaut for 30 seconds.
Achievement
The Goose is Loose
Halo 2A MP: Get 25 kills with the Gungoose in multiplayer.
Achievement
Pacifist
Halo CE: Finish The Silent Cartographer without shooting, grenades, melee, dying or restarting.
Achievement
Thirst Locked Down!
Halo 2A MP: Found and destroyed the BLAST soda can on Lockdown.
Achievement
Top Gungoose
Halo 2A MP: Get a kill with the Gungoose while airborne.
Achievement
Wraith Hunter
Halo CE: Destroy four Wraith tanks in Assault on the Control Room with the Scorpion tank.
Achievement
Close Quarters Combat
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle.
Achievement
This Side Up
Halo CE: Complete the Warthog ride of The Maw without being forcibly ejected from your vehicle.
Achievement
Mortardom
Halo 4: On Reclaimer, use a Wraith to kill at least four enemy Wraiths on Heroic or Legendary.
Achievement
All According to Plan...
Halo CE: Kill the first group of enemies on The Truth and Reconciliation without being detected.
Achievement
Beachhead
Halo CE: Storm The Silent Cartographer beach with no Marine casualties on Heroic or Legendary.
Achievement
BLASTacular!
Halo 2A MP: Destroyed all the Halo 2 Anniversary Multiplayer BLAST soda cans.
Achievement
Bloody Thirsty!
Halo 2A MP: Found and destroyed the BLAST soda can on Bloodline.
Achievement
Dirty Bird
Halo 2: Fly the Heretic Banshee.
Achievement
A Preference for Pain
Halo 3: Complete the Halo 3 LASO Campaign playlist.
Achievement
Aficiando
Halo 3: Complete three Halo 3 playlists.
Achievement
Naked Tyrant
Halo 4: Complete the Halo 4 LASO Campaign playlist.
Achievement
Devotee
Halo 4: Complete three Halo 4 playlists.
Achievement
Throne of Bones
Find and claim all the campaign skulls in Halo:CE, Halo 2, and Halo 3.
Achievement
Boot Camp Hero
Halo 3: Complete a Halo 3 playlist.
Achievement
A Pile of Medals
Collect 2,000 campaign or playlist medals.
Achievement
A Crate of Medals
Collect 3,000 campaign or playlist medals.
Achievement
A Heap of Medals
Collect 4,000 campaign or playlist medals.
Achievement
Bombing Run
Halo 2A MP: In Assault, take, plant, and score from the bomb spawn without dying or dropping it.
Achievement
A Few Trinkets
Collect 5,000 campaign or playlist medals.
Achievement
Chest of Gold
Halo 4: Complete a Halo 4 playlist.
Achievement
Oh, These Baubles?
Collect 6,000 campaign or playlist medals.
Achievement
Chesty Puller Starter Kit
Collect 7,000 campaign or playlist medals.
Achievement
Medal Master Chief
Collect 8,000 campaign or playlist medals.
Achievement
Contender
Win 50 multiplayer games.
Achievement
In It To Win It
Win 200 multiplayer games.
Achievement
Game On
Complete 50 missions or multiplayer games.
Achievement
Bonus Level
Complete 200 missions or multiplayer games.
Achievement
Sharpshooter
Win 150 multiplayer games.
Achievement
Cold as Ice
Halo 2A MP: On Lockdown, kill an opponent with the hanging ice.
Achievement
Can't Put It Down
Complete 150 missions or multiplayer games.
Achievement
Battle Hardened
Win 250 multiplayer games.
Achievement
Cold Fusion
Halo 2A MP: Kill an opponent by detonating a Fusion Coil.
Achievement
Counter-Sniped
Halo 2A MP: With a Sniper Rifle or Beam Rifle kill an enemy that was zoomed in.
Achievement
Triple Threat
Halo 2A MP: In Ricochet, pass once, score once, and kill at least one enemy in the same match.
Achievement
Wetwork
Halo 2A MP: On Shrine in CTF, activate the enemy base waterfall and, before it stops, grab the flag.
Achievement
Worship Your Thirst!
Halo 2A MP: Found and destroyed the BLAST soda can on Shrine.
Achievement
Zealot
Halo 2A MP: In Anniversary matchmaking, win 10 games as an Elite.
Achievement
Up All Night
Complete 250 missions or multiplayer games.
Achievement
Thermopylae
Win 300 multiplayer games.
Achievement
The Long Haul
Complete 500 missions or multiplayer games.
Achievement
Just A Taste
Collect 500 campaign or playlist medals.
Achievement
All Out of Bubblegum
Collect 1,000 campaign or playlist medals.
Achievement
Foe Hammer
Kill 5,000 enemies or players.
Achievement
Gruntageddon
Kill 1000 Grunts.
Achievement
Were It So Easy
Kill 1000 Elites.
Achievement
Scavenger Hunt
Kill 1000 Jackals.
Achievement
Dankey Kang
Kill 1000 Brutes.
Achievement
Wyrmslayer
Kill 250 Hunters.
Achievement
Remove the Bishops From the Board
Kill 1000 Watchers.
Achievement
Can't Get Enough
Complete 300 missions or multiplayer games.
Achievement
Knightbane
Kill 1000 Knights.
Achievement
Dogcatcher
Kill 1000 Crawlers.
Achievement
Greenhorn
Halo CE: Complete every level of the game on Easy difficulty.
Achievement
Big Green Style
Halo 2: Complete every level of the game on Easy difficulty.
Achievement
Training Wheels
Halo 3: Complete every level of the game on Easy difficulty.
Achievement
Librarian's Gift
Halo 4: Complete every level of the game on Easy difficulty.
Achievement
Herald of the Reclamation
Complete all campaigns on Easy difficulty.
Achievement
King of the Crows
Halo 3: Beat the par score on Crow's Nest.
Achievement
Witch Doctor
Halo 3: Find and claim all Skulls in Halo 3.
Achievement
Skulltaker Halo 3: Blind
Halo 3: Find and claim the Blind Skull on Normal or harder.
Achievement
Striking Fear in Their Hearts
Win 350 multiplayer games.
Achievement
Skulltaker Halo 3: Grunt Birthday Party
Halo 3: Find and claim the Grunt Birthday Party Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Cowbell
Halo 3: Find and claim the Cowbell Skull on Normal or harder.
Achievement
Committed
Complete 350 missions or multiplayer games.
Achievement
Steady Aim
Win 400 multiplayer games.
Achievement
Big Time Gamer
Complete 400 missions or multiplayer games.
Achievement
Quick Trigger Finger
Win 450 multiplayer games.
Achievement
Long Time Fan
Complete 450 missions or multiplayer games.
Achievement
Multiplayer Champion
Win 500 multiplayer games.
Achievement
Skulltaker Halo 3: IWHBYD
Halo 3: Find and claim the IWHBYD Skull on Normal or harder.
Achievement
No Stone Unturned
Halo 3: Activate all Halo 3 Terminals.
Achievement
Invasion
Halo 4: Complete all chapters in Spartan Ops Episode 7.
Achievement
Expendable
Halo 4: Complete all chapters in Spartan Ops Episode 8.
Achievement
Key
Halo 4: Complete all chapters in Spartan Ops Episode 9.
Achievement
Exodus
Halo 4: Complete all chapters in Spartan Ops Episode 10.
Achievement
Feet First
Halo 4: Complete all Spartan Ops chapters.
Achievement
Term of Enlistment
Halo 4: Complete all Spartan Ops chapters on Normal difficulty.
Achievement
Hazard Pay
Halo 4: Complete all Spartan Ops chapters on Heroic difficulty.
Achievement
Icarus
Halo 4: Complete all Spartan Ops chapters on Legendary difficulty.
Achievement
Smooth Operator
Halo 4: Complete all Spartan Ops chapters solo on Legendary difficulty.
Achievement
Roses vs Violets
Halo 4: Why are you even here?
Achievement
MVP
Halo 2A MP: Finished as the top player on the winning team in a matchmade game.
Achievement
No One Left Behind
Halo 4: Save at least one Marine on Hacksaw (Ep.2 Ch.3) of Spartan Ops on Heroic or Legendary.
Achievement
Knight in White Assassination
Halo 4: Assassinate a Knight in any Spartan Ops mission.
Achievement
What Power Outage?
Halo 4: Complete The Cauldron Base of Spartan Ops without losing a generator on Heroic or Legendary.
Achievement
No Easy Way Out
Halo 4: Survive Spartan Miller (Ep.5 Ch.1) of Spartan Ops on Heroic or Legendary.
Achievement
Nice Work Dawg!
Earn a total of 2,500 Assist medals in multiplayer.
Achievement
Aim for the Head
Earn a total of 2,500 Headshot medals in multiplayer.
Achievement
Dim Mak
Earn a total of 250 Beat Down medals in multiplayer.
Achievement
Domination
Earn a total of 100 Legendary medals in matchmade games.
Achievement
Double Trouble
Earn a total of 250 Double Kill medals in matchmade games.
Achievement
Spree Master
Earn a total of 100 Killing Spree medals in matchmade games.
Achievement
Operation Completion
Halo 4: Complete a Spartan Ops mission.
Achievement
Catch This
Earn a total of 500 Grenade Kill or Plasma Kill medals in matchmade games.
Achievement
Party Pooper
Earn a total of 250 Killjoy medals in matchmade games.
Achievement
Departure
Halo 4: Complete all chapters in Spartan Ops Episode 1.
Achievement
Artifact
Halo 4: Complete all chapters in Spartan Ops Episode 2.
Achievement
Catherine
Halo 4: Complete all chapters in Spartan Ops Episode 3.
Achievement
Didact's Hand
Halo 4: Complete all chapters in Spartan Ops Episode 4.
Achievement
Memento Mori
Halo 4: Complete all chapters in Spartan Ops Episode 5.
Achievement
Scattered
Halo 4: Complete all chapters in Spartan Ops Episode 6.
Achievement
Planting A Flag
Earn a total of 250 CTF Mode Specific medals in matchmade games.
Achievement
The True King
Earn a total of 250 KOTH Mode Specific medals in matchmade games.
Achievement
Heretic Skull
Halo 3: Find the hidden Skull on the Heretic multiplayer map.
Achievement
Longshore Skull
Halo 3: Find the hidden Skull on the Longshore multilayer map.
Achievement
Brainpan
Halo 3: Find all the hidden multiplayer Skulls.
Achievement
Sightseeing
Halo CE: Complete a match on at least 8 different classic multiplayer maps.
Achievement
Checking Out Your Options
Halo CE: Complete a match on at least 4 unique game types.
Achievement
Tourist
Halo 2: Complete a match on at least 8 different classic multiplayer maps.
Achievement
Window Shopping
Halo 2: Complete a match on at least 4 different game types in classic multiplayer.
Achievement
World Traveler
Halo 3: Complete a match on at least 8 different multiplayer maps.
Achievement
Just Browsing
Halo 3: Complete a match on at least 4 different game types in multiplayer.
Achievement
Going International
Halo 4: Complete a match on at least 8 different multiplayer maps.
Achievement
Roadkill Rampage
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Splatter medals.
Achievement
Taste Test
Halo 4: Complete a match on at least 4 different game types in multiplayer.
Achievement
Naughty Naughty
Kill 10 Engineers.
Achievement
Well...Maybe One or Two
Kill 25 Engineers.
Achievement
Listener
H3: ODST: Find the 1st Audio Log.
Achievement
An Ear Full
H3: ODST: Find the 2nd Audio Log.
Achievement
Tuned In
H3: ODST: Find the 3rd Audio Log.
Achievement
Do Tell
H3: ODST: Find the 4th Audio Log.
Achievement
Hear Me Out
H3: ODST: Find the 5th Audio Log.
Achievement
Eavesdropping
H3: ODST: Find the 6th Audio Log.
Achievement
Auditor
H3: ODST: Find the 7th Audio Log.
Achievement
Rock and Coil Hit Back
Halo 2A MP: In Anniversary matchmaking, earn a total of 100 Environmentalist medals.
Achievement
Overheard
H3: ODST: Find the 8th Audio Log.
Achievement
Wiretapping
H3: ODST: Find the 9th Audio Log.
Achievement
No Pain, No Gain
Complete 1 mission with the LASO playlist skulls enabled.
Achievement
Airborne
Halo CE: Launch a Warthog for at least 5 seconds and have it splatter an enemy.
Achievement
Assembly Skull
Halo 3: Find the hidden Skull on the Assembly multiplayer map.
Achievement
Orbital Skull
Halo 3: Find the hidden Skull on the Orbital multiplayer map.
Achievement
Sandbox Skull
Halo 3: Find the hidden Skull on the Sandbox multiplayer map.
Achievement
Citadel Skull
Halo 3: Find the hidden Skull on the Citadel multiplayer map.
Achievement
Monitored
H3: ODST: Find the 10th Audio Log.
Achievement
Hang Onto My Words
H3: ODST: Find the 11th Audio Log.
Achievement
Observant
H3: ODST: Find the 20th Audio Log.
Achievement
Scout
H3: ODST: Find the 21st Audio Log.
Achievement
Adventurer
H3: ODST: Find the 22nd Audio Log.
Achievement
Spotter
H3: ODST: Find the 23rd Audio Log.
Achievement
Considerate
H3: ODST: Find the 24th Audio Log.
Achievement
On Your Toes
H3: ODST: Find the 25th Audio Log.
Achievement
Archivist
H3: ODST: Find the 26th Audio Log.
Achievement
Your Attention Please
H3: ODST: Find the 27th Audio Log.
Achievement
Catching On
H3: ODST: Find the 28th Audio Log.
Achievement
Wisening Up
H3: ODST: Find the 29th Audio Log.
Achievement
Give Heed
H3: ODST: Find the 12th Audio Log.
Achievement
Audiophile
H3: ODST: Find the 30th Audio Log.
Achievement
Rookie
H3: ODST: Complete every level of the game on Easy difficulty.
Achievement
Urban Warfare Badge
H3: ODST: Complete every level of the game on Normal difficulty.
Achievement
First In, Last Out
H3: ODST: Complete every level of the game on Heroic difficulty.
Achievement
Mean Streets of New Mombasa
H3: ODST: Complete every level of the game on Legendary difficulty.
Achievement
Junior Detective
H3: ODST: Find the 1st clue to unraveling the mystery.
Achievement
Investigator
H3: ODST: Find the 2nd clue to unraveling the mystery.
Achievement
Gumshoe
H3: ODST: Find the 3rd clue unraveling the mystery.
Achievement
Bloodhound
H3: ODST: Find the 4th clue unraveling the mystery.
Achievement
Private Eye
H3: ODST: Find the 5th clue unraveling the mystery.
Achievement
Get A Load
H3: ODST: Find the 13th Audio Log.
Achievement
Secret Agent
H3: ODST: Find the 6th clue unraveling the mystery.
Achievement
Record Store Owner
H3: ODST: Find all 30 Audio Logs.
Achievement
Snoop Troop
H3: ODST: Find the 14th Audio Log.
Achievement
All Ears
H3: ODST: Find the 15th Audio Log.
Achievement
Ear Bender
H3: ODST: Find the 16th Audio Log.
Achievement
Plugged In
H3: ODST: Find the 17th Audio Log.
Achievement
Attentive
H3: ODST: Find the 18th Audio Log.
Achievement
Watchful
H3: ODST: Find the 19th Audio Log.
Achievement
Tayari Plaza
H3: ODST: Complete Tayari Plaza.
Achievement
Uplift Reserve
H3: ODST: Complete Uplift Reserve.
Achievement
An Artist's Canvas
H3: ODST: Beat the par time on Kizingo Blvd.
Achievement
A Pleasant Trip
H3: ODST: Beat the par time on ONI Alpha Site.
Achievement
First Stop: Anywhere But Here!
H3: ODST: Beat the par time on NMPD HQ.
Achievement
Feet Don't Fail Me Now
H3: ODST: Beat the par time on Kikowani Station.
Achievement
Overtaken By Events
H3: ODST: Beat the par time on Data Hive.
Achievement
Double Time!
H3: ODST: Beat the par time on Coastal Highway.
Achievement
Can't Stop Here, This is Brute Country
H3: ODST: Beat par time on all Halo 3: ODST levels.
Achievement
Survey Says...
H3: ODST: Beat the par score on Tayari Plaza.
Achievement
Don't Strain Your Metaphors
H3: ODST: Beat the par score on Uplift Reserve.
Achievement
Son of a Gun
H3: ODST: Beat the par score on Kizingo Blvd.
Achievement
Kizingo Boulevard
H3: ODST: Complete Kizingo Blvd.
Achievement
I Love My Job
H3: ODST: Beat the par score on ONI Alpha Site.
Achievement
Pour It On
H3: ODST: Beat the par score on NMPD HQ.
Achievement
Squid Jackpot!
H3: ODST: Beat the par score on Kikowani Station.
Achievement
Magic Touch
H3: ODST: Beat the par score on Data Hive.
Achievement
This Oliphant Has No Brakes
H3: ODST: Beat the par score on Coastal Highway.
Achievement
The Marine Corps Gives Its Regards
H3: ODST: Beat par score on all Halo 3: ODST levels.
Achievement
Déjà Vu
H3: ODST: Complete Coastal Highway on 4-player Legendary co-op, with Iron, and no 'Hog or Scorpion.
Achievement
Do You Remember When We Met
H3: ODST: Play a game of Halo 3: ODST on the 22nd of any month.
Achievement
Safety Not Guaranteed
H3: ODST: Complete a Halo 3: ODST LASO Campaign playlist.
Achievement
Trifecta
H3: ODST: Complete three Halo 3: ODST playlists.
Achievement
ONI Alpha Site
H3: ODST: Complete ONI Alpha Site.
Achievement
NEXT!
H3: ODST: Complete a Halo 3: ODST playlist.
Achievement
Nagato Makes Moving Easy
H3: ODST: Complete all Halo 3: ODST Legendary campaign missions in under 3 hours.
Achievement
NMPD HQ
H3: ODST: Complete NMPD HQ.
Achievement
Kikowani Station
H3: ODST: Complete Kikowani Station.
Achievement
Data Hive
H3: ODST: Complete Data Hive.
Achievement
Coastal Highway
H3: ODST: Complete Coastal Highway.
Achievement
Bill Past Due
H3: ODST: Beat the par time on Tayari Plaza.
Achievement
Floor It!
H3: ODST: Beat the par time on Uplift Reserve.
Achievement
One Got Away
H3: ODST: View the missing link.
Achievement
Like a Broken Record
H3: ODST: Find a legendary hidden music cue.
Achievement
Does Whatever a Spartan Can?
H3: ODST: Destroy a Wraith…with your bare hands.
Achievement
Firefly
H3: ODST: Kill a Drone with a flame grenade on Data Hive.
Achievement
"BLAM" Said The Lady!
H3: ODST: Swap Dare's pistol for a Rocket Launcher on Coastal Highway.
Achievement
One Way Ride
H3: ODST: Complete any level without using a health pack on Heroic or Legendary.
Achievement
Just Sayin...I Ain't Dead
H3: ODST: Complete any level without dying on Heroic or Legendary.
Achievement
Deference of Darkness
H3: ODST: Complete any level without activating VISR mode.
Achievement
Those Left Behind
H3: ODST: Finish Tayari Plaza with at least one Marine still breathing.
Achievement
Shoot and Scoot
H3: ODST: Complete NMPD HQ without firing the Sniper Rifle on Heroic or Legendary.
Achievement
Fast and Low
H3: ODST: Splatter 7 enemies with a Banshee on Kikowani Station.
Achievement
Shiny...
H3: ODST: Pilot a Banshee on Kizingo Boulevard.
Achievement
Vandalized
H3: ODST: Face it.
Achievement
Bits and Pieces
H3: ODST: Destroy 5 Phantoms on NMPD HQ.
Achievement
What About Those Tanks?
H3: ODST: Destroy 7 Wraiths on Oni Alpha Site.
Achievement
Two Places, Same Time
H3: ODST: I've got my eye on you, Marine.
Achievement
Xenophobia
H3: ODST: Complete any level without using Covenant weapons.
Achievement
Monumental Thirst!
H2A: Found and destroyed the BLAST soda can on Remnant..
Achievement
We're Just Getting Started
Halo: Reach: Complete Winter Contingency.
Achievement
No Picnic
Halo: Reach: Observe a grizzly scene on New Alexandria.
Achievement
Protocol Dictates Action
Halo: Reach: Complete ONI: Sword Base.
Achievement
I Need A Weapon
Halo: Reach: Complete Nightfall.
Achievement
To War
Halo: Reach: Complete Tip of the Spear.
Achievement
Saturday Morning Cartoon
H3: ODST: Is there a toy inside?
Achievement
You Flew Pretty Good
Halo: Reach: Complete Long Night of Solace.
Achievement
Into The Howling Dark
Halo: Reach: Complete Exodus.
Achievement
Classic
H3: ODST: Finish any level solo on Legendary, with no shots fired or grenades thrown.
Achievement
Catch 'Em Napping
H3: ODST: Kill 5 sleeping Grunts on Mombasa Streets.
Achievement
Strong, Silent Type
H3: ODST: Assassinate 3 Brutes in a row on Data Hive.
Achievement
Bip! Bap! BAM!
H3: ODST: Earn a Triple Kill medal with the pistol on any level.
Achievement
Pineapple Express
H3: ODST: Kill 4 enemies with a single plasma or frag grenade.
Achievement
Fowl Hunt
H3: ODST: Kill 3 Jetpack Brutes with a shotgun on Oni Alpha Site.
Achievement
Assault on the Control Room
Halo CE: Complete Assault on the Control Room.
Achievement
343 Guilty Spark
Halo CE: Complete 343 Guilty Spark.
Achievement
Would It've Killed You To Take The Elevator
Halo CE: Beat the par time on Assault on the Control Room.
Achievement
Lightning in a Bottle
Halo CE: Beat the par time on 343 Guilty Spark.
Achievement
TLDR
Halo CE: Beat the par time on The Library.
Achievement
Whistle Stop Tour
Halo CE: Beat the par time on Two Betrayals.
Achievement
Scurty Bump
Halo CE: Beat the par time on Keyes.
Achievement
All You Can Eat
Halo CE: Beat the par time on The Maw.
Achievement
Did Somebody Say...
Halo CE: Beat par time on all Halo: CE levels.
Achievement
Pillar of Awesome
Halo CE: Beat the par score on The Pillar of Autumn.
Achievement
Giant Hula Hoop
Halo CE: Beat the par score on Halo.
Achievement
You Really Can't Handle the Truth
Halo CE: Beat the par score on The Truth and Reconciliation.
Achievement
The Library
Halo CE: Complete The Library.
Achievement
Charted
Halo CE: Beat the par score on The Silent Cartographer.
Achievement
Vetro Strike
Halo CE: Beat the par score on Assault on the Control Room.
Achievement
Circuit Breaker
Halo CE: Beat the par score on 343 Guilty Spark.
Achievement
Reading Room
Halo CE: Beat the par score on The Library.
Achievement
It Was Inevitable
Halo CE: Beat the par score on Two Betrayals.
Achievement
Headstrong
Halo CE: Beat the par score on Keyes.
Achievement
Consumption Junction
Halo CE: Beat the par score on The Maw.
Achievement
Overachiever
Halo CE: Beat the par score on all Halo: CE levels.
Achievement
Arrival
Halo CE: Activate Terminal 1 on The Pillar of Autumn.
Achievement
Sacrifice
Halo CE: Activate Terminal 2 on Halo.
Achievement
Two Betrayals
Halo CE: Complete Two Betrayals.
Achievement
Splinters
Halo CE: Activate Terminal 3 on The Truth and Reconciliation.
Achievement
Idle Hands
Halo CE: Activate Terminal 4 on The Silent Cartographer.
Achievement
Keyes
Halo CE: Complete Keyes.
Achievement
The Maw
Halo CE: Complete The Maw.
Achievement
Didn't Like This Ship Anyways
Halo CE: Beat the par time on The Pillar of Autumn.
Achievement
Flyover Country
Halo CE: Beat the par time on Halo.
Achievement
You Can't Handle the Truth
Halo CE: Beat the par time on The Truth and Reconciliation.
Achievement
Hit The Beach
Halo CE: Beat the par time on The Silent Cartographer.
Achievement
Dust And Echoes
Halo: Reach: Complete New Alexandria.
Achievement
This Is Not Your Grave
Halo: Reach: Complete The Package.
Achievement
Now Just You Gúta Minute
Halo: Reach: Beat the par time on Nightfall.
Achievement
Generous Tipper
Halo: Reach: Beat the par time on Tip of the Spear.
Achievement
Sabre Metrics
Halo: Reach: Beat the par time on Long Night of Solace.
Achievement
Quicker Than Reading the Book
Halo: Reach: Beat the par time on Exodus.
Achievement
One For the Record Books
Halo: Reach: Beat the par time on New Alexandria.
Achievement
Speedy Delivery
Halo: Reach: Beat the par time on The Package.
Achievement
Wait, How'd the Ship Get Down Here?
Halo: Reach: Beat the par time on The Pillar of Autumn.
Achievement
Fast Fall
Halo: Reach: Beat par time on all Halo: Reach levels.
Achievement
Ice In Your Veins
Halo: Reach: Beat the par score on Winter Contingency.
Achievement
Still Sharp
Halo: Reach: Beat the par score on ONI: Sword Base.
Achievement
Send Me Out... With A Bang
Halo: Reach: Complete The Pillar of Autumn.
Achievement
Moon's Out, Goons Out
Halo: Reach: Beat the par score on Nightfall.
Achievement
Bake That Cake
Halo: Reach: Beat the par score on Tip of the Spear.
Achievement
Insomnia
Halo: Reach: Beat the par score on Long Night of Solace.
Achievement
Parting the Sea
Halo: Reach: Beat the par score on Exodus.
Achievement
Nine Lives Are a Myth
Halo: Reach: Beat the par score on New Alexandria.
Achievement
How Did I Lose All My Fingers?
Halo: Reach: Beat the par score on The Package.
Achievement
Precious Cargo
Halo: Reach: Beat the par score on The Pillar of Autumn.
Achievement
We'll Be Back
Halo: Reach: Beat the par score on every Halo: Reach level.
Achievement
T'vaoan Terminator
Halo: Reach: Kill 100 Skirmishers.
Achievement
Chol Von's Not Gonna Like This
Halo: Reach: Kill 1000 Skirmishers.
Achievement
Welcome to Reach
Halo: Reach: Complete every level of the game on Easy difficulty.
Achievement
Keep It Clean
Halo: Reach: Kill 7 Moa during Winter Contingency.
Achievement
They've Always Been Faster
Halo: Reach: Clear Winter Contingency without setting foot in a drivable vehicle.
Achievement
The Soldier We Need You To Be
Halo: Reach: Complete every level of the game on Normal difficulty.
Achievement
Folks Need Heroes…
Halo: Reach: Complete every level of the game on Heroic difficulty.
Achievement
Gods Must Be Strong
Halo: Reach: Complete every level of the game on Legendary difficulty.
Achievement
A Monument To All Your Sins
Halo: Reach: Complete every level of the game on Legendary difficulty, by yourself.
Achievement
Winter Urgency
Halo: Reach: Beat the par time on Winter Contingency.
Achievement
Just Like Storming a Castle
Halo: Reach: Beat the par time on ONI: Sword Base.
Achievement
Wake Up Buttercup
Halo: Reach: Destroy the Corvette's engines & escort in under 3 minutes during Long Night of Solace
Achievement
Two Corpses In One Grave
Halo: Reach: Kill 2 vehicles at once with the Target Locator during ONI: Sword Base.
Achievement
Front Page News
Halo: Reach: Find me in the club.
Achievement
The Humble Beginnings of Wiljax Brantley
Halo: Reach: Now that's a value meal.
Achievement
Did You Major in Marine Bio?
Halo: Reach: Encounter the hidden marines on Exodus.
Achievement
Fly, You Fools!
Halo: Reach: Find the hidden Banshees on The Package.
Achievement
This is Not the Greatest Lab in the World…
Halo: Reach: Find your way into Halsey's Lab on The Package.
Achievement
Hey, You Dropped This
Halo: Reach: Find Data Pad on 1 Winter Contingency
Achievement
Read Halsey's Journal
Halo: Reach: Find Data Pad 2 on ONI: Sword Base
Achievement
Meeting of the (Artificial) Minds
Halo: Reach: Find Data Pad 3 on Nightfall
Achievement
Rampant Speculation
Halo: Reach: Find Data Pad 4 on Tip Of The Spear
Achievement
Minority Report
Halo: Reach: Find Data Pad 5 on Long Night Of Solace
Achievement
Your Heresy Will Stay Your Feet
Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Achievement
Info Dump
Halo: Reach: Find Data Pad 6 on Exodus
Achievement
Paper Trail
Halo: Reach: Find Data Pad 7 on New Alexandria
Achievement
Terminal Conditions
Halo: Reach: Find Data Pad 8 on The Package
Achievement
Digital Destinies
Halo: Reach: Find Data Pad 9 on The Pillar Of Autumn
Achievement
Unreliable Narrator
Halo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty
Achievement
What Does It All Mean?
Halo: Reach: Find Data Pad 11 on ONI: Sword Base on Legendary difficulty
Achievement
Unsolved Mysteries
Halo: Reach: Find Data Pad 12 on Nightfall on Legendary difficulty
Achievement
Meddling and Madness
Halo: Reach: Find Data Pad 13 on Tip Of The Spear on Legendary difficulty
Achievement
The Answer is Simple
Halo: Reach: Find Data Pad 14 on Long Night Of Solace on Legendary Difficulty
Achievement
Of Patience and Partiality
Halo: Reach: Find Data Pad 15 on Exodus on Legendary difficulty
Achievement
I Didn't Train To Be A Pilot
Halo: Reach: Kill 3 of the anti-aircraft batteries during New Alexandria.
Achievement
Curious Composition
Halo: Reach: Find Data Pad 16 on New Alexandria on Legendary difficulty
Achievement
Silent Shepherds
Halo: Reach: Find Data Pad 17 on The Package on Legendary difficulty
Achievement
Tank Beats Everything
Halo: Reach: Finish The Package on Legendary with the Scorpion intact.
Achievement
Swift and Shallow
Halo: Reach: Hijack a Banshee during the Reach Campaign.
Achievement
Forza in the Fall
Halo: Reach: Flip the switches to become a Reach Racer!
Achievement
HBOrg Special
Halo: Reach: Party with the DJ Brute.
Achievement
Play Us a Sad Song, Claude
Halo: Reach: Listen to a hidden music cue.
Achievement
We're Gonna Need a Bigger Ship
Halo: Reach: Fly both the Pelican and Phantom on New Alexandria.
Achievement
Assembled the Majority
Halo: Reach: Find Data Pad 18 on The Pillar Of Autumn on Legendary difficulty
Achievement
Yes No You Decide
Halo: Reach: Find Data Pad 19 on Lone Wolf on Legendary difficulty
Achievement
Skunked
Halo: Reach: Won a matchmade game of Invasion in the 1st phase.
Achievement
Clear and Present Danger
Halo: Reach: Pad on the run.
Achievement
Left Behind
Halo: Reach: Achieve a score of 30,000 points on Lone Wolf.
Achievement
One Final Firefight
Halo: Reach: Achieve a score of 150,000 points on Lone Wolf.
Achievement
What About Bob?
Halo: Reach: Find and eliminate one of the hidden Ranger Commander Elites.
Achievement
Jorge Can't Have All the Big Guns
Halo: Reach: Use a Pelican turret.
Achievement
I'm Sorry, Dave
Halo: Reach: Find the hidden binary signature.
Achievement
Workers' Compensation
Halo: Reach: Splatter an enemy using the forklift.
Achievement
Capacious Cartography
Halo: Reach: Create a custom map using Forge World.
Achievement
Requiescat in Pace
Halo: Reach: Complete 10 assassinations on enemy players.
Achievement
Canonical Conundrum
Halo: Reach: Find all Data Pads.
Achievement
Run and Gunned
Halo: Reach: Headshot 10 enemies while they are sprinting.
Achievement
Game Breaker
Halo: Reach: Kill 10 enemies while using a Jetpack.
Achievement
Because It Wasn't Hard Enough
Halo: Reach: Complete a Legendary campaign mission with 3 or more skulls enabled (Scoring Only).
Achievement
Classic Completion
Halo: Reach: Complete Exodus without using any armor abilities.
Achievement
Confused Callouts
Halo: Reach: Trigger a humorous callout on your HUD's position indicator.
Achievement
Collection Eligibility Confirmed
Halo: Reach: See, he IS in the game!
Achievement
Mind the Skill Gap
Halo: Reach: Observe the logo of a buttoned-up mining company.
Achievement
Easy to Overlook
Halo: Reach: Access hidden UNSC radio chatter.
Achievement
New Ways to Save a Buck
Halo: Reach: Hear a familiar voice on New Alexandria.
Achievement
Why Do This To Yourself?
Halo: Reach: Complete the Halo: Reach LASO Campaign playlist.
Achievement
Reach Has Been Good to Me
Halo: Reach: Complete a Halo: Reach playlist.
Achievement
Who Needs Red Flag?
Halo: Reach: Complete three Halo: Reach playlists.
Achievement
Remember Reach
Halo: Reach: Play a game of Halo: Reach on the 14th of any month.
Achievement
Keep Your Foot on the Pedrogas
Halo: Reach: Complete all Halo: Reach Legendary campaign missions in under 3 hours.
Achievement
Enemies Everywhere!
Halo: Reach: Complete a Firefight set on Normal or Harder.
Achievement
Negative, Ghostrider
Halo: Reach: Get a Skullamanjaro in a matchmade Headhunter game.
Achievement
Hitchhikers May Be Escaping Convicts
Halo CE: Activate Terminal 5 on Assault on the Control Room.
Achievement
Bearly Contained
Halo CE: Activate Terminal 6 on 343 Guilty Spark.
Achievement
Skulltaker Halo: CE: Foreign
Halo CE: Find and claim the Foreign skull in remastered mode.
Achievement
Skulltaker Halo: CE: Famine
Halo CE: Find and claim the Famine skull in remastered mode.
Achievement
Skulltaker Halo: CE: Bandana
Halo CE: Find and claim the Bandanna skull in remastered mode.
Achievement
Skulltaker Halo: CE: Fog
Halo CE: Find and claim the Fog skull in remastered mode.
Achievement
Skulltaker Halo: CE: Malfunction
Halo CE: Find and claim the Malfunction skull in remastered mode.
Achievement
Skulltaker Halo: CE: Recession
Halo CE: Find and claim the Recession skull in remastered mode.
Achievement
Skulltaker Halo: CE: Black Eye
Halo CE: Find and claim the Black Eye skull in remastered mode.
Achievement
Skulltaker Halo: CE: Eye Patch
Halo CE: Find and claim the Eye Patch skull in remastered mode.
Achievement
Skulltaker Halo: CE: Pinata
Halo CE: Find and claim the Pinata skull in remastered mode.
Achievement
Skulltaker Halo: CE: Grunt Birthday Party
Halo CE: Find and claim the Grunt Birthday Party skull in remastered mode.
Achievement
Quis custodiet ipsos custodes?
Halo CE: Activate Terminal 7 on The Library.
Achievement
Headhunter
Halo CE: Find and claim all Skulls in Halo: CE.
Achievement
Birth of a Spartan
Halo CE: Complete every level of the game on Normal difficulty.
Achievement
Believe in a Hero
Halo CE: Complete every level of the game on Heroic difficulty.
Achievement
Living Legend
Halo CE: Complete every level of the game on Legendary difficulty.
Achievement
Overshields are for Sissies
Halo CE: Complete the level The Pillar of Autumn on Legendary without picking up an overshield.
Achievement
Walk It Off
Halo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.
Achievement
How Pedestrian
Halo CE: Complete Halo without entering a vehicle.
Achievement
That Just Happened
Halo CE: Complete The Library on Heroic or Legendary difficulty without dying.
Achievement
Look Out for the Little Guys
Halo CE: Complete Two Betrayals on Legendary difficulty without killing any Grunts.
Achievement
Leave It Where It Lay
Halo CE: Complete Two Betrayals on Legendary difficulty without picking up a new weapon.
Achievement
Memories
Halo CE: Activate Terminal 8 on Two Betrayals.
Achievement
Tying Up Loose Ends
Halo CE: Kill every Elite on the level Keyes on Heroic or Legendary difficulty.
Achievement
A Fine Choice
Halo CE: Complete a Halo: CE playlist.
Achievement
Mind Games
Halo CE: Activate Terminal 9 on Keyes.
Achievement
Kilotons of Fun
Halo CE: Activate Terminal 10 on The Maw.
Achievement
Dear Diary...
Halo CE: Activate all Halo: CE Terminals.
Achievement
Skulltaker Halo: CE: Iron
Halo CE: Find and claim the Iron skull in remastered mode.
Achievement
Skulltaker Halo: CE: Mythic
Halo CE: Find and claim the Mythic skull in remastered mode.
Achievement
Skulltaker Halo: CE: Boom
Halo CE: Find and claim the Boom skull in remastered mode.
Achievement
Excellent Taste
Halo CE: Complete three Halo: CE playlists.
Achievement
Like a Fine Wine
Halo CE: Complete the Halo: CE LASO Campaign playlist.
Achievement
Feet Firmly Planted
Halo CE: Complete a level without jumping.
Achievement
Before and After
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.
Achievement
Standard Operating Brocedure
Complete any co-op level on Normal difficulty.
Achievement
Brovershield
Complete any co-op level on Heroic difficulty.
Achievement
He's Unstoppable
Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.
Achievement
The Good, The Bad, and The Dead
Collect 9,000 campaign or playlist medals.
Achievement
A Day To Remember
Halo CE: Play Halo: CE on the 15th of any month.
Achievement
Goat Roped
Halo CE: Halo CE: Complete all Halo: CE Legendary campaign missions in under 3 hours.
Achievement
Cairo Station
Halo 2: Complete Cairo Station.
Achievement
Outskirts
Halo 2: Complete Outskirts.
Achievement
You Are The Weapon
Halo CE: Kill a Hunter with one pistol round.
Achievement
Metropolis
Halo 2: Complete Metropolis.
Achievement
The Arbiter
Halo 2: Complete The Arbiter.
Achievement
Oracle
Halo 2: Complete The Oracle.
Achievement
Delta Halo
Halo 2: Complete Delta Halo.
Achievement
Regret
Halo 2: Complete Regret.
Achievement
Sacred Icon
Halo 2: Complete Sacred Icon.
Achievement
Quarantine Zone
Halo 2: Complete Quarantine Zone.
Achievement
Gravemind
Halo 2: Complete Gravemind.
Achievement
Uprising
Halo 2: Complete Uprising.
Achievement
High Charity
Halo 2: Complete High Charity.
Achievement
Madrigal Debut
Halo CE: Trigger a hidden music cue in Halo: CE.
Achievement
The Great Journey
Halo 2: Complete The Great Journey.
Achievement
Don't Hangar Around
Halo 2: Beat the par time on Cairo Station.
Achievement
My Buddy Chips
Halo CE: Fight alongside Chips Dubbo and listen to his words of wisdom.
Achievement
No Smoking
Halo CE: Disapprovingly look at Captain Keyes' abandoned pipe.
Achievement
T-Rex
Halo CE: Find the hidden Rex sign on The Maw.
Achievement
Thirsty Grunt
Halo CE: Listen to the Thirsty Grunt talk about his eating habits.
Achievement
Megg
Halo CE: It's a sign.
Achievement
Get Me Out of Here!
Halo CE: Ride in a Pelican for several seconds on the level 343 Guilty Spark.
Achievement
Rooftop Runner
Halo 2: Beat the par time on Outskirts.
Achievement
Speeding Ticket
Halo 2: Beat the par time on Metropolis.
Achievement
Feeling Charitable
Halo 2: Beat the par time on High Charity.
Achievement
Are We There Yet?
Halo 2: Beat the par time on The Great Journey.
Achievement
Going Nowhere Fast
Halo 2: Beat par time on all Halo 2 levels.
Achievement
Bomb Squad
Halo 2: Beat the par score on Cairo Station.
Achievement
Objective Secured
Halo 2: Beat the par score on Outskirts.
Achievement
Ripple Fire
Halo 2: Beat the par score on Metropolis.
Achievement
Heresy Will Not Stay My Feet
Halo 2: Beat the par score on The Arbiter.
Achievement
Leave None Alive
Halo 2: Beat the par score on The Oracle.
Achievement
Boundless
Halo 2: Beat the par score on Delta Halo.
Achievement
Fists of Fury
Halo 2: Beat the par score on Regret.
Achievement
YOLO Strats
Halo 2: Beat the par time on The Arbiter.
Achievement
Guided Tour
Halo 2: Beat the par score on Sacred Icon.
Achievement
The Doctor Is In
Halo 2: Beat the par score on Quarantine Zone.
Achievement
Official Business
Halo 2: Beat the par score on Gravemind.
Achievement
The Hype Is Real
Halo 2: Beat the par score on Uprising.
Achievement
Scorched Earth
Halo 2: Beat the par score on High Charity.
Achievement
Frequent Flyer Miles
Halo 2: Beat the par score on The Great Journey.
Achievement
Arcade Owner
Halo 2: Beat the par score on every Halo 2 level.
Achievement
Curious
Halo 2: Activate Terminal 1 on Cairo Station.
Achievement
Inquisitive
Halo 2: Activate Terminal 2 on Outskirts.
Achievement
Examiner
Halo 2: Activate Terminal 3 on Metropolis.
Achievement
Reed the Strategy
Halo 2: Beat the par time on The Oracle.
Achievement
Inspector
Halo 2: Activate Terminal 4 on The Arbiter.
Achievement
Fascinated
Halo 2: Activate Terminal 5 on The Oracle.
Achievement
So You Don't Want the Tank?
Halo 2: Beat the par time on Delta Halo.
Achievement
I Regret Nothing
Halo 2: Beat the par time on Regret.
Achievement
Terminal Velocity
Halo 2: Beat the par time on Sacred Icon.
Achievement
Hot Zone
Halo 2: Beat the par time on Quarantine Zone.
Achievement
Force of Will
Halo 2: Beat the par time on Gravemind.
Achievement
No Man's Land
Halo 2: Beat the par time on Uprising.
Achievement
Enchanted
Halo 2: Activate Terminal 6 on Delta Halo.
Achievement
Enamored
Halo 2: Activate Terminal 7 on Regret.
Achievement
Skulltaker Halo 2: Thunderstorm
Halo 2: Find and claim the Thunderstorm Skull on Legendary.
Achievement
Skulltaker Halo 2: Blind
Halo 2: Find and claim the Blind Skull.
Achievement
Skulltaker Halo 2: IWHBYD
Halo 2: Find and claim the IWHBYD Skull on Legendary.
Achievement
Skulltaker Halo 2: Catch
Halo 2: Find and claim the Catch Skull on Legendary.
Achievement
Skulltaker Halo 2: Grunt Birthday Party
Halo 2: Find and claim the Grunt Birthday Party Skull on Legendary.
Achievement
Skulltaker Halo 2: Famine
Halo 2: Find and claim the Famine Skull on Legendary.
Achievement
Skulltaker Halo 2: Envy
Halo 2: Find and claim the Envy Skull on Legendary.
Achievement
Skulltaker Halo 2: Assassins
Halo 2: Find and claim the Assassins Skull on Legendary.
Achievement
Skulltaker Halo 2: Mythic
Halo 2: Find and claim the Mythic Skull on Legendary.
Achievement
Skulltaker Halo 2: Sputnik
Halo 2: Find and claim the Sputnik Skull on Legendary.
Achievement
Determined
Halo 2: Activate Terminal 8 on Sacred Icon.
Achievement
Skulltaker Halo 2: Anger
Halo 2: Find and claim the Anger Skull on Legendary.
Achievement
Skulltaker Halo 2: Ghost
Halo 2: Find and claim the Ghost Skull on Legendary.
Achievement
Skulltaker Halo 2: Iron
Halo 2: Find and claim the Iron Skull on Legendary.
Achievement
Skulltaker Halo 2: Black Eye
Halo 2: Find and claim the Black Eye Skull on Legendary.
Achievement
Trophy Collector
Halo 2: Find and claim all Skulls in Halo 2.
Achievement
And So It Begins...
Halo 2: Collect the Master Chief toy in Delta Halo.
Achievement
Regrettable Turn of Events
Halo 2: Collect the Prophet of Regret toy in Regret.
Achievement
The Will of the Prophets
Halo 2: Collect the Arbiter toy in Sacred Icon.
Achievement
Chieftain of the Brutes
Halo 2: Collect the Tartarus toy in Quarantine Zone.
Achievement
Delighted
Halo 2: Activate Terminal 9 on Quarantine Zone.
Achievement
Don't Make a Girl a Promise
Halo 2: Collect the Cortana toy in Gravemind.
Achievement
My Work is Done
Halo 2: Collect the Librarian toy in Uprising.
Achievement
Knowledgable
Halo 2: Activate Terminal 10 on Gravemind.
Achievement
Scholar
Halo 2: Activate Terminal 11 on Uprising.
Achievement
Reviewer
Halo 2: Activate Terminal 12 on High Charity.
Achievement
Obsessed
Halo 2: Activate Terminal 13 on The Great Journey.
Achievement
Walking Encyclopedia
Halo 2: Activate all Halo 2 Terminals.
Achievement
Skulltaker Halo 2: That's Just…Wrong
Halo 2: Find and claim the That's Just...Wrong Skull on Legendary.
Achievement
I Like Crazy
Halo 2: Collect the Rampant Cortana toy in High Charity.
Achievement
Pyrrhic Solution
Halo 2: Collect the Didact toy in The Great Journey.
Achievement
Cowardly Grunt
Halo 2: Listen to the Cowardly Grunt's woes.
Achievement
Siege of Ivory Tower
Halo 2: Listen to a hidden music cue in Halo 2.
Achievement
THE Chips Dubbo?
Halo 2: Fight alongside the legendary Chips Dubbo and listen to his words.
Achievement
Rex Sword
Halo 2: Grab the energy sword on the level Outskirts.
Achievement
10 Minutes Too Early
Halo 2: In The Oracle, find the holo-drone before the Heretic Leader activates it.
Achievement
HI BEN
Halo 2: Oh, hi!
Achievement
Animal Habitat
Halo 2: Spot the hippo on the walls of Headlong in classic multiplayer.
Achievement
Sid Graffiti
Halo 2: Spot the Sid graffiti on the walls of Coagulation in classic multiplayer.
Achievement
E E E
Halo 2: View both signs in the level Metropolis.
Achievement
Why So Serious
Halo 2: View the smiling face in the classic multiplayer map Coagulation.
Achievement
Toybox
Halo 2: Collect all eight Halo toys.
Achievement
Why Am I Here?
Halo 2: View this hidden message on the classic Beaver Creek map.
Achievement
GOOOAAAAALLLL!
Halo 2: Shoot the soccer ball in the level Metropolis.
Achievement
Needs More Whammy Bar
Halo 2: Complete the level Regret with the Prophet Birthday Skull activated.
Achievement
Like Peanut Butter and Chocolate
Halo 2: Complete a level in co-op on Heroic or Legendary with the Masterblaster Skull active.
Achievement
Starved For Shields
Halo 2: Complete a level with only the Streaking Skull active on Heroic or Legendary.
Achievement
Commuter
Halo 2: Complete Metropolis without entering a vehicle on Heroic or Legendary.
Achievement
He Never Gets Me Anything
Halo 2: Complete Delta Halo without entering a vehicle on Heroic or Legendary.
Achievement
Scarab Lord
Halo 2: Acquire the Scarab Gun.
Achievement
Silent but Deadly
Halo 2: Kill 7 opponents from behind in a row without being spotted.
Achievement
Demon
Halo 2: Complete any campaign level without dying on Normal or harder.
Achievement
Warrior
Halo 2: Complete every level of the game on Normal difficulty.
Achievement
Go Ape Shiv
Halo 2: Kill an enraged, berserk Brute using melee.
Achievement
Grand Theft Halo
Halo 2A MP: In one match, steal a total of 5 occupied vehicles from opponents.
Achievement
Hero
Halo 2: Complete every level of the game on Heroic difficulty.
Achievement
Legendary Anniversary
Halo 2: Complete every level of the game on Legendary difficulty.
Achievement
Seconds
Halo 2: Complete a Halo 2 playlist.
Achievement
Connoisseur
Halo 2: Complete three Halo 2 playlists.
Achievement
Six Pedals, Four Directions
Halo 2: Drive a Scorpion while playing as the Arbiter.
Achievement
Betcha can't stick it...
Halo 2: Stick a Plasma Grenade to a Stealth Elite on Outskirts.
Achievement
Tour of Duty
Halo 2A MP: Complete a game in every one of the 6 updated Anniversary MP maps.
Achievement
Double Down
Halo 2A MP: In Anniversary multiplayer, receive 2 or more Double Kill medals.
Achievement
Monopolized
Halo 2: Complete all Halo 2 Legendary campaign missions in under 3 hours.
Achievement
Landfall
Halo 3: Complete Sierra 117.
Achievement
Holdout
Halo 3: Complete Crow's Nest.
Achievement
The Road
Halo 3: Complete Tsavo Highway.
Achievement
Assault
Halo 3: Complete The Storm.
Achievement
Cleansing
Halo 3: Complete Floodgate.
Achievement
Refuge
Halo 3: Complete The Ark.
Achievement
Last Stand
Halo 3: Complete The Covenant.
Achievement
The Key
Halo 3: Complete Cortana.
Achievement
Return
Halo 3: Complete Halo.
Achievement
Warden
Halo 2 MP: In Classic or Anniversary matchmaking, stop the killing spree of another player.
Achievement
Speedy One One Seven
Halo 3: Beat the par time on Sierra 117.
Achievement
Time Shift
Halo 3: Beat the par time on Crow's Nest.
Achievement
Highway Robbery
Halo 3: Beat the par time on Tsavo Highway.
Achievement
Lightning Strike
Halo 3: Beat the par time on The Storm.
Achievement
Dambuster
Halo 3: Beat the par time on Floodgate.
Achievement
Waypoint
Halo 3: Beat the par time on The Ark.
Achievement
Scarab Slide
Halo 3: Beat the par time on The Covenant.
Achievement
Making History
Halo 3: Beat the par time on Cortana.
Achievement
Go, Chief! Gun It!
Halo 3: Beat the par time on Halo.
Achievement
Speed Demon
Halo 3: Beat the par time on all Halo 3 levels.
Achievement
Blown Out of the Sky
Halo 2A MP: Blow up the Banshee or Hornet in flight while piloted, with the Rocket Launcher.
Achievement
Guerilla
Halo 3: Beat the par score on Sierra 117.
Achievement
Cavalier
Halo 3: Beat the par score on Tsavo Highway.
Achievement
Decorated Warrior
Halo 2A MP: Get awarded at least 10 different medals in one multiplayer game.
Achievement
Ninja Redux
Halo 2A MP: Kill 5 people with melee from behind in Anniversary matchmaking.
Achievement
Flaming Ninja Anniversary
Halo 2A MP: Kill an opponent that has the Ninja Redux achievement in Anniversary matchmaking.
Achievement
Legend Slayer
Halo 2A MP: Kill an opponent that has the Legendary Anniversary achievement.
Achievement
Back At It
Halo 2: Play a game of Halo 2 Anniversary on the 9th of any month.
Achievement
Back for More
Halo 2: Complete the LASO campaign playlist.
Achievement
Askar
Halo 3: Beat the par score on The Storm.
Achievement
Exterminator
Halo 3: Beat the par score on Floodgate.
Achievement
Tipping Point
Halo 3: Activate Terminal 4 on The Covenant.
Achievement
Unto Dust
Halo 3: Activate Terminal 5 on The Covenant.
Achievement
Babbling Dead
Halo 3: Activate Terminal 6 on The Covenant.
Achievement
Sword and Shield
Halo 3: Activate Terminal 7 on Halo.
Achievement
The Coin's Fault
Halo 3: Activate Cortana's Terminal on Cortana.
Achievement
Whispers Across the Galaxy
Halo 3: View the communique from Mendicant Bias.
Achievement
Skulltaker Halo 3: Iron
Halo 3: Find and claim the Iron Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Black Eye
Halo 3: Find and claim the Black Eye Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Tough Luck
Halo 3: Find and claim the Tough Luck Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Catch
Halo 3: Find and claim the Catch Skull on Normal or harder.
Achievement
Ranger
Halo 3: Beat the par score on The Ark.
Achievement
Skulltaker Halo 3: Fog
Halo 3: Find and claim the Fog Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Famine
Halo 3: Find and claim the Famine Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Thunderstorm
Halo 3: Find and claim the Thunderstorm Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Tilt
Halo 3: Find and claim the Tilt Skull on Normal or harder.
Achievement
Skulltaker Halo 3: Mythic
Halo 3: Find and claim the Mythic Skull on Normal or harder.
Achievement
Prophet's Bane
Halo 3: Complete every level of the game on Normal difficulty.
Achievement
With Your Shield or On It
Halo 3: Complete every level of the game on Heroic difficulty.
Achievement
Finished the Fight
Halo 3: Complete every level of the game on Legendary difficulty.
Achievement
Begins with a Single Step
Halo 3: On Tsavo Highway, complete the level without entering a vehicle.
Achievement
Who Needs Them?
Halo 3: On The Ark, complete the level without entering a vehicle on Legendary.
Achievement
Vanguard
Halo 3: Beat the par score on The Covenant.
Achievement
Phantom Hunter
Halo 3: Destroy 3 total Phantoms on The Covenant.
Achievement
Annual
Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.
Achievement
Orpheus
Halo 3: Beat the par score on Cortana.
Achievement
Torchbearer
Halo 3: Beat the par score on Halo.
Achievement
Better With Age
Halo 3: Beat the par score on every Halo 3 level.
Achievement
Rising Waters
Halo 3: Activate Terminal 1 on The Ark.
Achievement
Inundation
Halo 3: Activate Terminal 2 on The Ark.
Achievement
Before the Fire
Halo 3: Activate Terminal 3 on The Ark.
Achievement