Browser Games Built with Codex

Games built with OpenAI’s Codex coding agent, including Vibe Jam award winners. Each entry was generated from prompts and shipped as a playable browser game — curated here so you can play them in one click.

🏆 Vibe Jam 2026 2nd place Play here

Fanto's Mega-Mart

Multiplayer shopping race at rocket speed through a haunted grocery store, with ghost replays

Racing & Vehicles codex threejs
Play on source

Formula Minus One

Futuristic racer inspired by F-Zero and Wipeout, rendered with WebGPU

Racing & Vehicles codexclaude threejs
Play on source

San Francisco -- The Game

Explore San Francisco rebuilt from Apple Maps data: climb buildings, take cars and play with others

Adventure & Open Worlds codex threejs
🏆 AI Browser Game Jam 4 winner Play on source

Plug & Prosper

Run a charging kiosk, wiring customers' devices into wall sockets with cables and adapters, and upgrade the shop between days

Simulation & Strategy codex godot
Play here

SimCFB

College football coaching game where you recruit, bid for NIL, work the transfer portal and call plays, then watch every snap in 3D

Simulation & Strategy claudecodex threejs
Play on source

After Hours: The Call from Room 214

Two-player mystery where each player sees different clues on their own screen and you talk them through to trace a call from a room with no phone. First chapter free

Puzzle, Word & Trivia codex threejs
🏆 Vibe Jam 2026 3rd place and Most Played award Play on source

WenWare

Time-travel GeoGuessr: explore 360° historical scenes and guess both the place and the year

Puzzle, Word & Trivia codex threejs
Play here

Pocket Salvage

Drive a swinging crane, swap between a magnet and a claw, and sort scrap into bins before the clock runs out, through five weather levels

Arcade & Retro claudecodex godot
Play on source

NFTURBO

Original 3D arcade kart racer. Codex + Claude; free browser play.

Racing & Vehicles claudecodex

Other AI builders