Original browser game

Case Builder

Design mystery cases with suspects, locations, evidence, timelines, logic, and multiple endings, then play-test the investigation in your browser.

About this game

Start in your browser.

Design mystery cases with suspects, locations, evidence, timelines, logic, and multiple endings, then play-test the investigation in your browser.

Open the game to see its current controls, sound options, orientation guidance, and saved-progress behavior. No account or installation is required.

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