NeoMud
RPGA multiplayer MUD in the style of the 1990s, with room art and sprites over the text log.
Claude CodeBrowserGitHubEnglish
No ratings yetroomsmith-games
Plays instantly in the browser
Play free — official siteAI-Made Multiplayer Games on GitHub
VibeGameDB lists 13 games in this group, 12% of the 112 games on the Multiplayer page. Each one has a source for how it was made. The most common engine is Three.js (38%). 12 are free or free to play and 1 is paid; 11 can be played in a browser. The most recently added is Inkmaru (November 2026).
- Games
- 13
- Free / paid
- 12 / 1
- Most used engine
- Three.js
- Last updated
- Nov 4, 2026
Engines (top 5, where disclosed)
- Three.js5
- Phaser1
- No engine (HTML5)1
Platforms (top 5)
- GitHub13
- Browser11
- Steam2
- itch.io1
All 13 games
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Battle Drones
StrategyTrending
A Command & Conquer-style browser RTS, written mostly by Claude Code agents.
Claude CodeBrowserGitHubEnglish
No ratings yetSimon Willison
Plays instantly in the browser
Play free — official site
World of Claudecraft
RPG · AdventureTrending
A free, open-source browser MMORPG in the style of classic-era WoW.
ClaudeBrowseritch.ioSteamGitHubEnglish
5.0/5itch.ioLevy Street Games
Plays instantly in the browser
Play free — official site
Trending
A 1992 online text RPG, rebuilt from old scripts by Claude Code.
Claude CodeBrowserGitHubEnglish
No ratings yetJon Radoff
Plays instantly in the browser
Play free — official site
TET~CRAFT: The Fourth Temple
SimulationAn 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.
GeminiSteamGitHubEnglish
No ratings yetceneezer
Download required
View on SteamFree demo
DeepHold
ActionA hardcore 2.5D pixel dungeon game for PC: go down with one lantern, build your own dungeon from the loot and dare friends to clear it; the solo developer says Claude made all of the code.
ClaudeGitHubKorean only
No ratings yetqminlab
Demo available
View demo on GitHub
Inkmaru
Strategy · CasualA three-turn ink duel in the browser: both players draw a circle at the same time, big and faint or small and dense, and the denser ink takes the ground. The developer says the implementation is done with Claude Code.
Claude CodeBrowserGitHubJapanese only
No ratings yetmorststs
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
Orbital Breach
ActionA zero-gravity team shooter: freeze the enemy squad or slingshot through the debris arena into their breach room.
Claude CodeBrowserGitHubEnglish
No ratings yetDotan Veretzky
Plays instantly in the browser
Play free — official siteFree
PSX Souls
ActionA PlayStation 1-style souls-like with seven bosses and two-player online co-op, playable in the browser. The developer says the game was generated by Opus in an afternoon.
ClaudeBrowserGitHubEnglish
No ratings yetwormsparty
Plays instantly in the browser
Play free — official site
Riposte: Frontline
ActionA free multiplayer first-person shooter for desktop and phone browsers, solo against bots or online with up to 8 players. The developer says almost everything is code written by Claude Code, with three.js and no game engine.
Claude CodeBrowserGitHubEnglish
No ratings yetBenDBS
Plays instantly in the browser
Play free — official site
Snaketron
Arcade · ActionCompetitive online multiplayer Snake with ranked seasons, duels and team matches, rewritten in Rust 14 years after the original; the developer says AI got so good that they stopped writing code by hand.
Undisclosed AI toolBrowserGitHubEnglish
No ratings yetlopatin
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 on GitHub were built with AI coding tools?
- VibeGameDB lists 13 multiplayer games on GitHub whose developers say they were built with AI coding tools, each with a source for that claim.
- What engine do most multiplayer games on GitHub built with AI coding tools use?
- Three.js: 5 games (38%). 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?
- Inkmaru, added in November 2026.