| Achievement | How to unlock
|
|---|
| Armed and dangerous | Purchase all pistols.
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| Armed to the teeth | Acquire all weapons in the game.
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| Can't touch this | Purchase all dash upgrades.
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| Chain chain chain | Dash twenty times before triggering the cooldown.
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| Defeat unspeakable horror | Unspeakable horror.
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| Fleet of foot | Purchase all movement speed upgrades.
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| Grenadier | Purchase all grenade upgrades.
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| I'll be back | Upgrade to two respawn cats.
|
| Like a cat | Upgrade to nine respawn cats.
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| Lock 'n' load | Find a special weapon.
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| Meat sack | Defeat meat sack.
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| Nosraep, true form of the beast | Defeat nosraep, true form of the beast.
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| Rot belcher | Defeat rot belcher.
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| Serbian, mind of the beast | Defeat serbian, mind of the beast.
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| Sluggoth | Defeat sluggoth.
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| Spawning queen | Defeat spawning queen.
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| The remnants | Defeat the remnants.
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| Unthinkable horror | Defeat unthinkable horror.
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| Votolato, heart of the beast | Defeat votolato, heart of the beast.
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| Zinnerblilie, eye of the beast | Defeat zinnerblilie, eye of the beast.
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