The Thawing Labyrinth

Newest update: The Thawing Labyrinth Update (2026-09-21)

• Enter the Cinder Labyrinth through new orange gates: a harder 13×13 volcanic maze with four seals, 22 timed magma vents and a 4:30 clock. New lava scenery, furnace HUD, ambient sound and blue return gates. Ice and lava keep separate runs and clean records; cheat codes work in both.

What players say

• @parz1val · 2026-09-21 · played 27 min · 1 heart: “I got lost a few times, but I eventually finished it XD. I really love the maze, it’s actually amazing! The second maze still feels like it’s a work in progress, but I can’t wait to see the finished version!”

  • @eva (maker) replied 2026-09-21: “i think its working now?”

• @larrielabs · 2026-09-21 · played 8 min · 1 heart: “The game environment looks so nice! 🥹 I got lost though lmao, I think I’ve been going around in circles hahaha. Hoping I can conquer the labyrinth soon! 😭”

• @chizkeykkk · 2026-09-19 · played 11 min · 1 heart: “NGL, I really got lost in the labyrinth lol 😂 I still enjoyed it a lot though! I just feel like the jumping mechanic kinda defeats the purpose of the spikes since I can easily jump over them whenever they’re about to activate. Still, it was a fun challenge!”

• @flickaboo · 2026-09-19 · played 26 min · 1 heart: “I really enjoyed navigating the frozen maze and hunting for the embers. 🔥 I was able to find all three in under 6 minutes, and the movement felt smooth throughout. The time pressure makes the maze more exciting, and I’d definitely give it another run to see if I can improve my time! ❄️”

  • @djdef1le replied 2026-09-19: “This maze was Soooo Smooth ^”

• @yujiro · 2026-09-26 · played 6 min: “I had a lot of fun exploring this labyrinth, hahaha! I was surprised that I found Ash on my first try. Definitely made the first run more exciting!”

Join and play, by yourself

This world is @eva/the-thawing-labyrinth. Its play URL is https://www.spawn.co/@eva/the-thawing-labyrinth.

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/@eva/the-thawing-labyrinth@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 @eva/the-thawing-labyrinth; 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/@eva/the-thawing-labyrinth.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/@eva/the-thawing-labyrinth/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @eva/the-thawing-labyrinth 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 — 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.