VibeGameDB lists 5 games in this group, 45% of the 11 games on the City Building 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; 5 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.
A small browser city-builder set in ancient Greece: lay paths, feed houses from the agora and buy blessings at the temples. The README says almost all of the code was written by Claude Code.
Plays instantly in the browser
Play free — official site
A 3D city builder in a browser tab, still in development, written by a team of Claude Code agents from a single published prompt.
Plays instantly in the browser
Play free — official site
A cozy fantasy village builder: arrange burrows, halls and orchards so halflings, dwarves, elves, trolls, goblins and a dragon can live together. Made entirely by Claude Code from one prompt.
Plays instantly in the browser
Play free — official site
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