Other Games
Arctic Extermination
Defeat Argok on Stage 1 without losing a life
10 pts
Deep Down Dash
While playing Stage 6, destroy 90 or more enemies and reach the boss in less than 120 in-game seconds
10 pts
Sunken Swiftness
While playing Stage 2 destroy 8 or more large subs and reach the boss in less than 120 in-game seconds
10 pts
Frigid Fleetness
While playing Stage 1, destroy 75 or more enemies and reach the boss in less than 120 in-game seconds
10 pts
Going Hot
Score 900,000 points or more
50 pts
Hard Dive
Score 600,000 points or more
25 pts
Down Periscope
Score 300,000 points or more
10 pts
On The Nose
While fighting Yugskure on Stage 6, gain bonus points by destroying its nose cap before it destroys it itself
10 pts
Double Fist
While fighting Manriki on Stage 3, pacify the boss and gain bonus points by destroying both laser reattachment arms
10 pts
Two for One
While fighting Trumpet Release on Stage 2, destroy both subs within 5 seconds of each other
10 pts
Anchors Away
While fighting Argok on Stage 1, expose its innards and gain bonus points by destroying its anchors
10 pts
Indefectible Depths
Defeat Yugskure on Stage 6 without losing a life
50 pts
Midnight Paragon
Defeat Sogon on Stage 5 without losing a life
25 pts
Perfect Dark
Defeat J3 on Stage 4 without losing a life
25 pts
Aqueduct Overthrow
Defeat Manriki on Stage 3 without losing a life
25 pts
Soggy Score
Defeat Trumpet Release on Stage 2 without losing a life
10 pts
Polar Dip
Clear Stage 1
2 pts
Maxed Out Missiles
Upgrade the Missiles to max firepower
5 pts
Topped Up Torpedoes
Upgrade the Torpedoes to max firepower
5 pts
Indestructible Dark
While playing Stage 5, collect 25 or more Treasure Balls and reach the boss without losing a life
10 pts
Scatheless Scales
While playing Stage 4, kill 2 of the giant fish
10 pts
Riverbed Rampage
While playing Stage 3, cause a significant amount of collateral damage before reaching the boss
10 pts
Golden Centuplicate
Extend your life by collecting 100 Treasure Balls
5 pts
Justice For One
Clear the game without using a continue and unlock Ending 2
25 pts
Justice For All
Clear the game using at least 1 continue and unlock Ending 1
5 pts
Ternary Triumph
Clear the game using 3 continues or less
10 pts
Bedrock Bull's-Eye
Clear Stage 6
3 pts
Abyssal Reign
Clear Stage 5
3 pts
Depths Ascendancy
Clear Stage 4
3 pts
Current Conquest
Clear Stage 3
2 pts
Undersea Sweep
Clear Stage 2
2 pts