Free browser games built with Claude Opus 5.5, playable right here with no download or install. Every one of these 11 games was made by a person working with Claude Opus 5.5, taken from the maker's own post, and they are ranked by player votes.
11 games
Explore the planets of The Little Prince in 3D, from his rose on B-612 to the fox and the pilot in the desert.
A calm horse ride across a mountain valley to a campfire at sunset, in three.js and WebGPU. Built in two days with Claude Opus 5.5 and Fable 5.2, and open source.
A storybook flying adventure: ride Mo, a big gliding sky creature, over a turquoise lagoon of rock spires, sing to giant masked Tallwalkers and dodge the lamps that throw nets. Made with Gemini 4 Argon, then refreshed with Claude Opus 5.5.
A permadeath pixel-art action RPG you play online with others: 9 classes, 100 levels, 3 raids and one life, built by a maker who can't code.
A co-op roguelite with 16 raid bosses, built in 33 days and headed to Steam.
Morrowind's starting zone, rebuilt from scratch in Unreal with AI.
Mavis Beacon reborn: guided lessons, finger guides and ten typing games.
A Doors-style Halloween horror run, and its maker's very first game.
Three stunt challenges in a thruster-powered sports car.
Ice hockey built with Three.js, straight from your browser.
Monopoly Deal in the browser for 2 to 5 players online.