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Pollux: The Hero in the Box
Main game
By: Yokoshima Games
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By: Yokoshima Games
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Charge ahead with “INVINCIBILITY”! A Unique 2D Action Game set in a Weird World, brought to life with Retro Pixel Graphics!
PC (Microsoft Windows) · Jun 16, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
51 achievements available.
Clear 0-1
LockedSteam
Clear 1-3
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Clear 2-3
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Clear 3-3
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Clear 4-3
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Clear 5-3
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First encounter with ChikuwaMan.
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Obtain the 0-1 Clustal
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Obtain the 1-1 Clustal
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Obtain the 1-2 Clustal
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Obtain the 1-3 Clustal
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Obtain the 2-1 Clustal
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Obtain the 2-2 Clustal
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Obtain the 2-3 Clustal
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Obtain the 3-1 Clustal
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Obtain the 3-2 Clustal
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Obtain the 3-3 Clustal
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Obtain the 4-1 Clustal
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Obtain the 4-2 Clustal
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Obtain the 4-3 Clustal
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Obtain the 5-1 Clustal
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Obtain the 5-2 Clustal
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Obtain the 5-3 Clustal
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Obtain Attack Challenge Clustal
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Obtain all Clustals
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Obtain Guard Challenge Clustal
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Obtain Jump Challenge Clustal
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Obtain the Shop Clustal
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Complete the Monster Dex.
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Change screen color to green.
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Community notes
