| Achievement | How to unlock
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|---|
| Cat Out of Water | Drain all of the water in the Aqueducts.
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| Cool it | Fix the malfunctioning Heater Core.
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| Danger Cat | Finish the game without collecting a single health upgrade.
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| Fresh Air | Clean up the Ventilation System.
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| Moustache Forever! (secret) | It will live on in our memory.
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| Purrrrfectionist | Finish the game with 100% completion rate.
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| Rats! | Defeat a squeaky foe.
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| Rebba's BFF | Obtain the Hopper from Rebba.
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| Rebba's Little Helper | Obtain the Repeater from Rebba.
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| Save the Animals | Finish the game.
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| Sequence Break (secret) | Finish the Heater Core before acquiring the Spin Jump.
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| Speedrun | Finish the game in under 1 hour.
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