VibeGameDB lists 6 games in this group, 11% of the 54 games on the Physics page. Each one has a source for how it was made. The most common engine is Three.js (67%). 5 are free or free to play and 1 is paid; 5 can be played in a browser. The most recently added is backroad rally (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
An experimental physics sandbox: spawn tetrahedrons as “facts”, join them into shapes and molecules inside a Klein-bottle universe, and share them with friends over a direct connection.
Download required
View on Steam
A small top-down rally game with a diorama look, free in the browser: five cars, six stages, weather, times of day and a short career against ghost rivals. The README says Claude Code with Opus 5.5 wrote almost all of it.
Plays instantly in the browser
Play free — official site
Paddle into massive waves, carve across the breaking face and collect stars before the foam swallows you.
Plays instantly in the browser
Play free — official site
A top-down 3D space game in the browser: build your ship from parts on a grid, mine, trade and fight pirates in an endless universe. The developer designs and decides; AI coding agents (Claude Code) write the code, art scripts and music.
Plays instantly in the browser
Play free — official siteA small 2D side-scrolling souls-like demo in the browser, with grappling, a day-night cycle and a built-in map and body editor. The developer says it is mostly coded with AI agents (Codex and Claude).
No download needed
View demo on Browser
Pick one of seven cars and drive a procedurally generated coastal city with simulation-grade physics, police chases and a helicopter at three stars. The README says Claude Opus 5.5 wrote it in Claude Code and nobody edited the code by hand.
Plays instantly in the browser
Play free — official site