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PROOFMARK cover art

PROOFMARK

GBDigital ROM
Developer:CSAF — Core Systems Asset Factory
Publisher:CSAF — Core Systems Asset Factory
Year:2026
Genre:Puzzle, Deduction
Multiplayer:❌
Languages:English

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A Game Boy deduction game set at a mint. Each day a hidden rule decides what counts as a genuine coin, based on its shape, field division, charge and rim. The assay master studies free verdicts, infers the rule and then grades new specimens. The developer discloses that the code, art and text are AI-generated.

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📊 Data completeness: 61% — this reflects our documentation, not the game. View standard