VibeGameDB lists 6 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 Three.js (67%). 6 are free or free to play and 0 are paid; 3 can be played in a browser. The most recently added is HARMLESS (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Fly a jet low and fast down a valley that never ends, under bridges and onto moving carriers, and stay under the radar. The developer says Opus 5.5 built it from essentially one prompt.
Plays instantly in the browser
Play free — itch.io
Draft a flying machine in chalk, shoot down the rival's fleet, and spend the scrap and stolen patents on new parts for your blueprint.
Plays instantly in the browser
Play free — itch.io
A free multiplayer browser game about cats with propellers on their paws, brawling for catnip over tropical islands. The developer says the main tools were the Claude models Opus 5.5 and Fable.
Plays instantly in the browser
Play free — official site
An unofficial browser tribute to Elite (1984): trade, jump, dock and fight across the original 2,048 seeded worlds in wireframe. The developer says Claude and other coding agents did all the work, without the developer ever looking at the code.
Plays instantly in the browser
Play free — official site
Fly a starship between the planets, land on 27 worlds and drive a rover over real Mars terrain, in the browser. The developer says Claude Opus 5.5 wrote all of the code from conversation.
Plays instantly in the browser
Play free — official site
Fly an FPV racing drone low and fast with nothing but vim keys, through procedural canyons, a tunnel and real terrain around Mt. Fuji and the Itsukushima Shrine torii. The README says the game was designed and implemented entirely by Claude.
Plays instantly in the browser
Play free — itch.io