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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."
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
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!
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A stage where various arcade games are mixed together.
@And an unknown stage...
Right now the cheapest offer for Error_Boy.exe is PLN 40.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Error_Boy.exe is PLN 13.93 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Error_Boy.exe drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
