By: Eerie Veery
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Purranoia is an action roguelike with a twist to the genre - you have no control over your characters movement. Instead you control a variety of powerful scientific inventions to protect poor cat Mousti from waves of enemies.
PC (Microsoft Windows) · Oct 16, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
44 achievements available.

Gain 3,141 score from defeating creatures.
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Hit 50 creatures with a single bomb.
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Gain 314,159 score from defeating creatures.
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Try out every Invention.
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Activate at least 27 traps at once.
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Gain 3,141,592 score from defeating creatures.
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Complete all achievements.
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Complete the Easy difficulty.
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Complete the Final difficulty.
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Complete the Hard difficulty.
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Complete the Normal difficulty.
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Kill 10 creatures while under the influence of Sacred Flower and while chasing the Laser Pointer in a single game.
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Complete the Easy difficulty without taking damage.
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Complete the Final difficulty without taking damage.
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Complete the Hard difficulty without taking damage.
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Use 3 different Lightning sources in a single game.
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You became Hawking radiation.
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Gain 31,415 score from defeating creatures.
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Hit a Fire Spewing Bouncer with the Frost-Sphere-Thrower.
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Set 123 smaller Lab Accidents on fire by killing larger ones with fire in a single game.
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Have Jared kill 1,000 creatures in a single game.
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Win by killing creatures only with the M.A.G.I.C. Sword.
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Win with every Invention.
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Complete the Normal difficulty without taking damage.
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Kill 24 creatures with the spikes on the Escatcheon in a single game.
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Do no harm for one minute without taking damage.
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Get 3 M.A.G.I.C. Wand Upgrades in a single game.
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Gain 314 score from defeating creatures.
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Activate the Prime Camera 7 times with different prime numbers.
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Win by killing creatures only with the R.A.I.L. Gun.
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Have the Barrier trigger 7 times in a row without taking damage.
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Kill a feared creature while under the influence of Sacred Flower.
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Hit 100 Sniper shots in a row.
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Have 3 Orbiters at once.
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Spawn 64 Snakes in a single game.
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Shoot 12 Bolter projectiles in under 5 seconds and at least kill 50 creatures.
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Win using the Tesla Coil without taking damage.
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Have Purranoia Projector and 2 Inventions or Invention Upgrades that create Fear.
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Have Fiery Paws and 2 Inventions or Invention Upgrades that create Fire.
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Have Coldblooded and 2 Inventions or Invention Upgrades that create Frost.
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Try out 25 Invention Upgrades.
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Try out 50 Invention Upgrades.
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Try out every Invention Upgrade.
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Use the Yarn Ball 27 times in a single game.
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Community notes