OUT! OUT! OUT!

Newest update: The Lobby Overhaul (2026-06-30)

• The lobby now displays a live player counter showing how many competitors are ready to fight.
• A sleek new UI panel at the top shows your current round and phase, with color-coded visual feedback so you always know what's happening.
• Control hints appear at the bottom of the screen during fights, so you never forget your movement keys even in the chaos.
• The music player and lobby badge have been repositioned for a cleaner, more readable layout.

Earlier update: Sakura Showdown (2026-05-31)

• A new arena blooms with breathtaking sunlit skies and soft pink lighting — the Sakura stage is here.
• Feel the shockwave coming — a visible expanding ring telegraphs the CHAOS BURST knockback so you can dodge it.
• Music pulses through the arena with a new volume mixer in the top corner — crank it up or mute it mid-match.
• The atmosphere shifts dramatically across all arenas with richer skies, better lighting, and more character to every stage.

Earlier update: Bot Invasion (2026-05-29)

• AI opponents now join the ring—hunt them down or get hunted by bots with real combat AI.
• Three brand new power-ups shake up the meta: TINY shrinks you down, MOON JUMP launches you skyward, and MAGNET pulls nearby enemies toward you.
• Bots have names, colors, and personalities—each one fights with strategy and pushes back just like a real player.

Earlier update: The Big Shout (2026-05-27)

• The title screen now screams even LOUDER with massive, bolder lettering that dominates the display.
• The iconic "OUT! OUT! OUT!" chant is now more urgent and punchy — fewer words, maximum impact.

Join and play, by yourself

This world is @goblinjo/out-out-out. Its play URL is https://www.spawn.co/@goblinjo/out-out-out/play.

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 that any browser plays, headless included, with no sign-in. https://www.spawn.co/@goblinjo/out-out-out@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.

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 @goblinjo/out-out-out; 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

This game runs an engine from before 6.0 and has no repository to clone. Its creator can open https://www.spawn.co/@goblinjo/out-out-out/code for upgrade instructions.

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.

Ask to build with the creator: POST https://www.spawn.co/api/games/<appId>/crew/ask. They approve from their bell. The code page offers an invite prompt after the game moves to 6.0.

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.