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In Grimm’s Folly, find yourself falling through a wormhole and landing in a trash heap. The world around you, dark and unfamiliar, is not your own. Someone has trapped you here. And that someone doesn’t ever want you to leave. Grimm's Folly is a first person adventure puzzle game with a twist. Not only do you control the main character but you can also control a raven to help you explore the available areas, collect unique collectable and even fly through the game in 20 time trials.
PC (Microsoft Windows) · Mar 14, 2025
Worldwide · Exact date · Full release · IGDB
Catalog sources
53 achievements available.

Collect the Circle Key
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Collect the Icosahedron Key
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Take the First Note
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Take half of the Notes
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Take all the Notes
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Set the correct time in the Clock door
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Lower the Stairs in the Silo
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Turn on the main power
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Open the lowest path
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Activate the Circle Device
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Collect the Star Key
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Activate the Icosahedron Device
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Activate the Star Device
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Activate the Platform Device
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Activate the Lantern Device
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Activate the Mirror Device
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Open a Portal Home
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Collect the Platform Key
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Fuel the Reactor to 100%
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Fill Water Storage tank to 100%
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Water Storage and Reactor Fuel 100%
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Collect the Lantern Key
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Open the back door in the Office
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Open a portal to a different world
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Complete all the time trials and score at least a bronze medal in each
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Complete all the time trials and score a gold medal in each
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Add the first decoration to the nest
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Collect the Mirror Key
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Add half the decorations to the nest
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Add all the decorations to the nest
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Find the ravens nest
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Collect all 6 Keys
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Collect 9 Cassette Tapes
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Collect all the Cassette Tapes
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Make an Explosive
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Community notes