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Eel On Mask is a 2D puzzle-platformer game where you play as the main character, Eel, who possesses the mysterious power of the “Clipping Mask.” Use this ability to freely alter the materials of stickers, solve puzzles across different worlds, and uncover the ultimate truth!
PC (Microsoft Windows) · Feb 19, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
31 achievements available.

Complete Level 1
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Enter the upside-down goal point for the first time
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Click on the trash can
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Complete a level with a cost of 100 points or more
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Fail for the first time by falling to the bottom of the game window
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Jump out from the top of the game window
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Complete a level with 0 cost
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Complete a level within 10 seconds
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Apply the ground tile mask to yourself
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Apply the cloud mask to yourself
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Fail due to timeout for the first time
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Complete the yellow series of levels
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Complete the red series of levels
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Complete the purple series of levels
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Complete the dark green series of levels
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Complete the light green series of levels
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Complete the blue series of levels
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Die from touching spikes for the first time
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Remove spikes with a falling rock for the first time
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Remove spikes with yourself for the first time
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Community notes