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