65%Strong matchDevolver Bootleg
90%1k90% positive reviews, Very Positive across 1k reviews·Gore · Violent
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Due to an error, several games have become mixed together! This is a 2D bullet hell roguelike game where you defeat enemies using items from various games along with "Error_Boy."
An error occurred for some reason, and the error mixed the games.




To resolve this error, the adaptive error correction program "Error_Boy" appears.
"Error_Boy" is an adaptive error correction program that uses items or weapons extracted from games.
"Debug" your enemies with a variety of items, weapons, and upgrades!
@Medieval Voyager
Medieval Voyager is a medieval fantasy game with black and white colors.


@Diamond Slugger
Diamond Slugger is a two-bit baseball game.


@Doki Girls
Doki Girls is a dating simulation game that features cute girls.


@Arcade 100 A stage where various arcade games are mixed together.


@And an unknown stage...
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like Error_Boy.exe are RAM: Random Access Mayhem, BLUE REVOLVER, Epic Battle Fantasy Collection, Doomsday Hunters, and MYRIAD DEATH.
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