| Achievement | How to unlock
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|---|
| Antiviral | Defeat The Hive.
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| Close Call | Recover from near certain destruction.
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| Crevette Voyager | Reach the bottom with The Crevette.
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| Deep Sea Diplomats | Reach the bottom without angering a civilization.
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| Delay The Inevitable | "Destroy" a Time Devourer.
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| Disassemble | Overcome your first Lair Guardian.
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| Disease Ridden | Reach the bottom without curing any afflictions.
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| Espadon Voyager | Reach the bottom with The Espadon.
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| Eye Catching | Defeat The Sightless.
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| Getting Your Feet Wet | Break through your first 1,000 fathoms.
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| Hasty Drinker | Drink poison. Why would you do that?
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| Here There Be Monsters | Defeat The Leviathan.
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| It's Cold Out in Space | Unleash chaos on the universe and pay the price.
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| Jules Verne | Dive 20,000 fathoms under the sea.
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| Museum Curator | Uncover every relic.
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| No Soliciting | Defeat The Ambassador.
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| Obsession | Defeat The Pale Whale.
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| Perle Voyager | Reach the bottom with The Perle.
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| Poubelle Voyager | Reach the bottom with The Poubelle.
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| Put Your Little Hand in Mine | Loop the game and experience time travel.
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| Quadrilateral | Defeat The Quadken.
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| Quick Getaway | Steer the ship to safety while at 10 hull or less.
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| Requin Voyager | Reach the bottom with The Requin.
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| Resourceful | Utilize 3 batteries in a single run.
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| Selfless Soul | Revive a crewmate while at 2 health or less.
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| Shocked and Appalled | Defeat The Ephyra.
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| Stone Cold | Make a sacrifice for the good of the universe.
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| Till Death Do You Part | Experience a heart-breaking divorce.
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| Travel Lightly | Reach the bottom without a backpack.
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| Tropical Heat | Defeat The Erupting Shell.
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| Tummy Ache | Defeat The Sleepy Giant.
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| Wrecking Crew | Disassemble 100 Lair Guardians.
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