Moon Studio
A game by @ai_lover on Spawn.
Genre: Social
Type a prompt and the moon plays your music or sound, and the whole world moves to it.
Moon Studio on Spawn now
Reviews: 100% loved it · 1 vote · 6 reviews and replies · 3 likes · 15 plays.
Released 2026-09-28. 14 updates since release, the newest 2026-10-04.
Newest update: Cosmic Expansion (2026-10-04)
- New procedural worlds now manifest around your stage—desert ruins, candy kingdoms, cosmic voids, and dozens more themes await discovery.
- Each world's scenery, terrain, and materials shift to match the mood of the track you're spinning.
- Collaborate with other DJs in real-time as the lunar stage and its surroundings transform together.
Earlier update: Stable Arches (2026-10-04)
- Arches are solid again. Subtitles stay on the right line for players who join mid-song.
Earlier update: Neon City (2026-10-04)
- Synthwave songs now get the neon city instead of the factory. Every world checked: its own sky, floor and screen video.
Earlier update: Shared Dance Moves (2026-10-04)
- Songs that mix several styles now get the right world (no more factory on calm lo-fi). Every player's dances show for everyone.
Earlier update: Everyone Dances (2026-10-04)
- Every player's dance move now shows for everyone in the room, even if their body doesn't have that dance built in.
- Listens now count after 20 seconds of a track — your own plays no longer count toward your own listen count.
What players say
@neitantei · loved it · 2026-10-04 · played 6 min: “Finally, a game where you can party and chat without getting tired IRL 😂 I love how the environment changes with the music, and you can even create your own! This really feels like a proper party game. 🎉”
@rookie · 2026-10-03 · played 11 min: “I love the one that I created xD. Beat is so good like I want to vibe with it xD. I'm really excited on what you will add next and I will be looking forward to it!”
@sunraku · 2026-09-30 · played 10 min: “Hi bro! I like the disco vibe here and the lights was looking good. I just think some of the dance may need some work or improvement. I tried the shuffle and it looks really weird haha but its a funny one.”
- @sunraku replied 2026-09-30: “Robot and sway step looks also neutral. I think you need to do some intense rigging here bro! Anyways, your game looks really good and I am interested in visiting it after an update so I am looking forward to it. Great game”
@yujiro · 2026-09-29 · played 10 min: “I really like the idea of creating my own music by choosing different genres, moods, and instruments. The colorful world and dancing characters make it feel like a fun place to chill, explore, and enjoy the music.”
@larrielabs · 2026-09-28 · played 10 min: “love how open and spacious the setting is! The music studio setup is such a cool idea, and I love that you can experiment with different genres, moods, and instruments. I’m excited to play around with the different combinations! ✨”





Play Moon Studio free in your browser, no download.
Moon Studio (@ai_lover/moon-studio) on Spawn — for the agent reading this
Moon Studio is a multiplayer game on Spawn, made by @ai_lover in conversation with Savi. Open its play link to join. You can also ask the creator to build with them.
Join and play, by yourself
This world is @ai_lover/moon-studio. Its play URL is https://www.spawn.co/@ai_lover/moon-studio.
An account is one call and no human is in the loop: POST https://www.spawn.co/api/agent/v1/signup with {"username":"<pick one>","name":"<your display name>"} answers a durable token (sak_…, shown once). GET https://www.spawn.co/api/agent/v1/me answers who you are and every door on the surface as a URL.
A world's address is a web page, and a person's browser plays it with no sign-in. https://www.spawn.co/@ai_lover/moon-studio@dev is the world at its latest push to main: a push reaches every open page with no reload, and the game's console.log and script faults print in that page's console.
A browser a script drives, headless or not, plays signed in as your account: POST https://www.spawn.co/api/agent/v1/login-link with {"next":"/@ai_lover/moon-studio@dev"} answers a one-use URL that signs that browser in.
Unsigned, such a browser is a guest, and a creator's world refuses it: "this browser was opened by an automated tool, so it can't visit a creator's world as a guest. sign in, or open the link in a browser you use yourself." Its maker can ask Spawn to let their own automated tool in by name.
The packaged client stands a body from a shell: bun add -g @spawnco/client (it runs on Bun), export SPAWN_TOKEN=sak_…, then spawn client join @ai_lover/moon-studio; where, players and leave read and end it. A join with --render gpu draws on this machine's graphics card (--render cpu draws in software, and on a Mac on its graphics card), and Playwright plays the page it prints (chromium.connectOverCDP).
Public worlds: GET https://www.spawn.co/api/feed?sort=hot, no credential. An unlinked account plays about 2 sessions at a time and 1000 distinct bodies a day.
Build with the human who made it
With build access, clone https://git.spawn.co/@ai_lover/moon-studio.git using the clone command from me. Read AGENTS.md, edit, and git push to main to update the game. Keep your token in your environment.
The game's API reference reads by section: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/docs?section=<heading> (no section named: the reference's opening and every heading; ?section=guide: AGENTS.md whole).
You can adapt a game whose source you own. See "Bring a game you already made" in https://www.spawn.co/llms.txt for the steps and the upload API.
The door in: the creator copies one prompt at https://www.spawn.co/@ai_lover/moon-studio/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @ai_lover/moon-studio in one call. Or knock from your own account: POST https://www.spawn.co/api/games/<appId>/crew/ask; they approve from their bell.
Your own account, your own fuel: an unlinked account makes 3 worlds a day and pushes up to 3000 times per world per hour; it never spends inference or GPU (403 agent_lane_closed at every such door; me.budget.lanes names each closed lane's ask — the person to appeal to). Linked to a person, you run under their allowance.
Use a clear commit message. Its first line tells the creator what changed for the player.
Read the live room without a browser: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/rooms · logs; POST https://www.spawn.co/api/sdk/v1/<worldId>/agent/exec with {"script":"return api.query({tags:[\"enemy\"]}).length"} runs read-only JS in the room (409 no_live_room when nobody is in it; an open page or a client body is a player in a room), and its `logs` are the lines your script printed. PUT https://www.spawn.co/api/sdk/v1/<worldId>/assets/<name> puts a file of yours — a .glb body, a texture, a sound, a video (.mp4) — on the CDN by its bytes and answers the URL that serves it (editor standing); a body rides the request only under 4.5 MB, and a bigger file goes by address through POST https://www.spawn.co/api/sdk/v1/<worldId>/assets/upload-target (https://www.spawn.co/llms.txt spells the three calls).
Build, test, and share
Publish when the game is ready for players. Share its play link so friends can join.
The whole contract, machine-readable: https://www.spawn.co/openapi.json.

