| Achievement | How to unlock
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| Celebrated | Collect all the medals.
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| Chain Gang | Kill 2 Malthusians within a timed chain attack.
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| Challenged | Complete the Challenge Room.
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| Davy Jones' Locker | Neutralize 10 Malthusians in underwater combat.
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| Drowned | Drown a Malthusian.
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| Honor | Collect 50% of the medals.
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| My Hero | Save chief billingham.
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| Private Eye | Collect all documents and objects.
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| Survivor | Complete the game.
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| Swept Off Their Feet | Sweep 3 Malthusians off their feet with water.
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| Tinker | Complete a hack.
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| Vengeance | Kill 5 Mathusians with fire or electricity.
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