WenWare
PuzzleViralTrending
Look around a 360° historical scene, then guess when and where it happened.
CodexBrowserEnglish
No ratings yetunderpaid mom
Plays instantly in the browser
Play free — official siteMultiplayer Games Made with Codex
VibeGameDB lists 13 games in this group, 13% of the 100 games on the Codex page. Each one has a source for how it was made. The most common engine is Three.js (62%). 12 are free or free to play and 1 is paid; 11 can be played in a browser. The most recently added is Little Flock (November 2026).
- Games
- 13
- Free / paid
- 12 / 1
- Most used engine
- Three.js
- Last updated
- Nov 4, 2026
Engines (top 5, where disclosed)
- Three.js8
- Unity1
- No engine (HTML5)1
Platforms (top 5)
- Browser11
- Steam2
- GitHub2
All 13 games
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Fanto's Mega-Mart
Racing · ActionShopping-cart racing at rocket speed through a haunted supermarket — second place at Vibe Jam 2026.
CodexBrowserEnglish
No ratings yetecto
Plays instantly in the browser
Play free — official site
IdleWorlds
RPGAn old-school text-based MMORPG in the browser where your character keeps progressing while you're offline.
CodexBrowserEnglish
No ratings yetmatduke
Plays instantly in the browser
Play free — official site
Caldra
Card Game · StrategyA free online PvP deckbuilder where you trade cards for coins mid-match.
CodexSteamEnglish
66%SteamDolphin Star
Download required
View on Steam
CUE-RIOUS
CasualA physics trick-shot game in which you draw your own cue and hook, push and fling the white ball, alone or with friends.
CodexSteamEnglish
No ratings yetGrill Kinetic LLC
Download required
View on Steam
Shrinebreaker
ActionA free first-person team spellcasting battle in the browser: three orders of mages guard their shrines and try to break the others'. The developer says Claude Code writes almost all of the code.
Claude CodeBrowserEnglish
No ratings yetTwisted Up Entertainment LLC
Plays instantly in the browser
Play free — official site
Flying Car Simulator
Arcade · SimulationUnofficial · third-party IP
A free multiplayer meme game in the browser: drive, boost and fly a sports car through stunt courses, highways and a neon city. The developer says Codex with the model Astra did most of the work, and Claude Code polished the graphics.
CodexBrowserEnglish
No ratings yetjonniek
Plays instantly in the browser
Play free — official site
Little Flock
Simulation · CasualA cozy multiplayer sheep-farming game in 3D in the browser: build a shelter, raise 12 breeds of sheep, grow crops and share a farm with friends. The developer says GPT 6 Astra in Codex made it one-shot from a single /goal run.
CodexBrowserGitHubChinese (Simplified) only
No ratings yetSongkeys
Plays instantly in the browser
Play free — official site
Napless
ActionToddlers brawl over the TV remote in a giant living room, and nap time is 90 seconds away.
CodexBrowserEnglish
No ratings yetValerio Gioia
Plays instantly in the browser
Play free — official site
Rally Positano
RacingA scenic rally race through the Positano region, against the clock or other players.
CodexBrowserEnglish
No ratings yetSacha Sayan
Plays instantly in the browser
Play free — official site
Rogue Lith
ActionA Descent-style ship crawler with stealth and roguelike levels, deep inside a hostile asteroid.
CursorBrowserEnglish
No ratings yetickack1
Plays instantly in the browser
Play free — official site
SimDrive
Racing · SimulationA multiplayer racing sim for a shared screen, where each player's phone becomes a tilt-to-steer controller with haptic and sound feedback.
CodexBrowserEnglish
No ratings yetSilly Goose
Plays instantly in the browser
Play free — official site
生死时速 / Speed Chase
Arcade · CasualUnofficial · third-party IP
A free web tribute to the Kingsoft Typing game 生死时速: type an English passage to make a police officer or a thief run faster; vibe-coded with Codex.
CodexBrowserGitHubEnglish
No ratings yetCH0918
Plays instantly in the browser
Play free — official siteFAQ
- How many multiplayer games were built with Codex?
- VibeGameDB lists 13 multiplayer games whose developers say they were built with Codex, each with a source for that claim.
- What engine do most multiplayer games built with Codex use?
- Three.js: 8 games (62%). Games whose engine is not disclosed are not counted.
- How many are free?
- 12 of the 13 are free or free to play; 1 is paid. Prices are recorded per store.
- Which game was added most recently?
- Little Flock, added in November 2026.
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