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Nine Men's Morris
Ancient strategy meets modern AI. Place your nine pieces, form mills (three in a row), and remove your opponent's pieces. Bella might forget which pieces are hers, Coop plays a solid defensive game, but Bentley's mill-forming precision is legendary. Three phases of gameplay: placing, moving, and flying. Can you trap the mastermind?
Play
Three dogs, one engine at three depths. Your pick is remembered across the arcade.
How this game was built
Every game in the arcade is built from scratch by an AI coding agent as a test of what current models can ship.
- Framework
- React 19 + TypeScript + Vite
- First built
- January 16, 2026
- Last rebuilt
- February 2, 2026
- Built with
- Claude Opus 4.5
- Latest change
- The Feb 2026 update moved the piece banks below the board for mobile visibility.
Want to build or change your own? The whole game is on GitHub. Fork it, run npm install and npm run dev, and the board is yours to change: the rules, the three opponents, the art, or the whole look.
- Three unique opponents with escalating difficulty
- Classic Nine Men's Morris rules with three phases
- Mill formation and piece removal mechanics
- Character-driven victory messages and personalities
- Smooth piece placement and movement animations
- Flying phase when down to three pieces
- Challenge friends to beat specific opponents
