VibeGameDB lists 5 games in this group, 18% of the 28 games on the Gemini page. Each one has a source for how it was made. 3 are free or free to play and 3 are paid; 1 can be played in a browser. The most recently added is Browser City Tycoon (November 2026).
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
A deliberately janky online multiplayer game for up to 20 stretchy cats who mow catnip to unlock fur, hats and boots; the solo developer credits the coding to Claude Sonnet and Opus.
Download required
View on Steam
A numbers-heavy blacksmith tycoon: appraise materials, bend the rarity of every blade you forge, and send hired adventurers into dungeons instead of fighting yourself.
Download required
View on SteamHelp little demon PIP run a Halloween costume shop in a human town, matching costumes to customers' clues, in English or Traditional Chinese. The developer says Claude wrote the code and tests.
Plays instantly in the browser
Play free — itch.io
Link villages with roads, rails, airports and ports and watch them grow into cities, in an isometric transport tycoon built as one HTML file. The developer credits the code to Claude.
Plays instantly in the browser
Play free — official site
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