Party · Strategy · made with GPT

Chaosey

Team up with friends in chaotic co-op, each player using their own key

Plays in your browser Phone friendly Online multiplayer 2026 Vibe Coding Game Jam: rank 462 of 945
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About Chaosey

In Chaosey, each player gets one key, and nobody controls the whole team. It is an online co-op adventure for two to four players, on phones or desktops, and the group only moves forward when everyone presses their key, so a single missed press holds everyone up.

The creator says the idea came from wanting something to play together when hanging out with friends, and it is built for exactly that kind of session. It was made with Codex in the Phaser engine, and its Vibe Jam 2026 placing was 462nd of the 945 entries.

The one-key setup makes the game about communication and timing more than individual skill. Progress depends on the players coordinating as a team, and the chaos comes from the moments they don't.

How it was made

Most of the code was written by AI. Source: Vibe Jam 2026 submission form.

Evidence: the creator's own account.

AI provider
OpenAI
AI tools
Codex
Engine
Phaser
Players
Online multiplayer
Make one like itCodex game development: a practical guide

Controls

  • One assigned key per player

Questions about Chaosey

Is Chaosey free to play?

Yes. Chaosey runs in your web browser at no cost, with no download or account needed.

Which AI was used to make Chaosey?

Chaosey was made with Codex and GPT. Most of the code was written by AI, according to the Vibe Jam 2026 submission form.

Can I play Chaosey on my phone?

Yes. Chaosey supports mobile browsers.

Who made Chaosey?

Chaosey was made by rizaardiyanto. See their profile on GamesByAI for their other games.

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