The Vizual Experience

Newest update: Bubble Realm (2026-09-25)

• A shimmering membrane now separates the rave grounds from a kaleidoscopic inner dome — step through to enter a new visual sanctuary.
• The bubble's core pulses and spins in sync with the music, throwing color and sparkles that respond to every beat and the night's energy arc.
• Stepping in or out triggers a unique sound just for you — a shimmer and whoosh that marks your crossing.

Earlier update: The Vizual Experience Update (2026-07-31)

• 5 new things to discover in the world.
• Some things in the world have changed — go see what's different.
• Gameplay feels different — tweaked how things work under the hood.
• The vibe just shifted — new atmosphere.
• The terrain got a makeover.

Earlier update: The Groove Update (2026-07-27)

• Press G to enter a groove — cycle through three signature dance moves with each press.
• Your avatar locks into synchronized dance choreography synced to the DJ's 140 BPM beat.
• Walk or jump out of the groove anytime to snap back to normal movement.
• Watch the floor display your current move — FIST PUMP, RUNNING MAN, or RAVE HANDS.

Earlier update: A Cleaner Door (2026-07-27)

• The warning at the door got rebuilt — it now lands centered and clean on every screen, no more clipped title or smeared glow, and tells you straight: strobes and lasers ahead.

What players say

• @vladtheimpaler · 2026-09-25 · played 6 min: “Brother the game looks smooth and I can feel like I can dance now in real life lol and I'm dancing to this game! Awesome!!! great taste of music!”

• @neitantei · 2026-09-25 · played 4 min: “The visuals and music are really cool! The whole neon atmosphere feels immersive, especially with the DJs and the giant alien dancing above. The lightshow syncing with the music is a really nice touch. Great job!”

Join and play, by yourself

This world is @reflex/the-vizual-experience. Its play URL is https://www.spawn.co/@reflex/the-vizual-experience.

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/@reflex/the-vizual-experience@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 @reflex/the-vizual-experience; 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/@reflex/the-vizual-experience.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/@reflex/the-vizual-experience/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @reflex/the-vizual-experience 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.