GameFoundry

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Prompt → Browser Game

Describe a game and get a complete, playable browser game — HTML, CSS and JavaScript in a single file. Live preview, edit the code, refine by prompt, and download.

From 500 credits per buildClaude Opus models onlyAvailable on every planCredits and licenses
Advanced: AI model (Claude Opus 5.5, recommended)
ModelPrice per quick build

Every model is Claude Opus. Prices cover the worst case, and failed builds are refunded automatically. Refine is priced by the size of your game.

Builds one self-contained HTML file. The preview runs in a sandbox with no network access.