VibeGameDB lists 5 games in this group, 3% of the 180 games on the Claude page. Each one has a source for how it was made. The most common engine is No engine (HTML5) (60%). 5 are free or free to play and 0 are paid; 3 can be played in a browser. The most recently added is Wild Fields 1648 (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Build your island village, then topple your rival's castle from across the water: a pixel-art archery game that grew from a one-day jam build.
Plays instantly in the browser
Play free — itch.io
SimCity 2000 rebuilt for the browser in low-poly 3D: Claude Opus 5.5 translated the original Mac game's decompiled code function by function.
Plays instantly in the browser
Play free — official site
Rebuild King Whiskers' cat kingdom by day and hold off the robot hordes for 100 nights, using nothing but movement.
Plays instantly in the browser
Play free — itch.io
A SimTower-style tower builder rebuilt around democratic socialism: you are the elected steward, and confidence is the score.
Plays instantly in the browser
Play free — official site
A real-time strategy game on the Ukrainian steppe in 1648, in one browser tab: raise a Cossack town, train pikemen, musketeers, horsemen and field guns, and burn the rival town halls. The README says the code was written by Claude Opus 5.5.
Plays instantly in the browser
Play free — official site