The Burning of Men

Newest update: Dusk & Dawn (2026-08-05)

• The sky now cycles through a full day-night loop with true dusk and dawn—daylight lasts two-thirds of the cycle, night one-third, and the golden hour is preserved as you descend.
• Ballista marks now stand taller, rising above their engines so the tell reads clearly even from the air.
• The fires of the valley now cast light far and wide—a dynamic pool of six lights that moves to wherever the burning is hottest, reaching 25 metres or more into the dark.
• As night falls, the windows of every standing settlement glow warm from within—braziers, hearths, and watch-fires kindle at dusk and fade at dawn, but burn down a district and its lights go dark forever.
• The air itself changes at night—the look of the world shifts from day to dusk to moonlit dark, and the firelight wash that haunted bright pixels now only touches the burning places where it belongs.

Earlier update: The Awakening Refine (2026-08-05)

• The opening veil now lifts faster and cleaner, waiting only as long as your machine needs to build the world.
• Tutorial text is bigger and easier to read from any distance.
• The music never drops out mid-flight — once it starts, it stays with you.
• Wing flaps are quieter, letting the valley's own sounds come through.
• Ballista engines now catch fire and explode in seconds, leaving only scorched stone behind.

Earlier update: The Burning Begins (2026-08-05)

• The seaport falls silent — dockworkers, soldiers, and townsfolk vanish from the walls and streets.
• Ballista bolts now strike with devastating force, shattering stone and flesh with brutal finality.
• Walls no longer bounce like rubber when struck by fire — they shudder and hold firm, unyielding.
• The valley ignites in a rage flush of red the moment the title appears, as if catching fire in real time.
• The wind dies from the background, leaving only the roar of burning and the weight of silence.

What players say

• @maine · 2026-08-06 · played 7 min · 1 heart: “this is epic”

  • @abbidabbi (maker) replied 2026-08-06: “did you burn down Humanity maine ? @maine”

Join and play, by yourself

This world is @abbidabbi/the-burning-of-men. Its play URL is https://www.spawn.co/@abbidabbi/the-burning-of-men/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, and a person's browser plays it with no sign-in. https://www.spawn.co/@abbidabbi/the-burning-of-men@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":"/@abbidabbi/the-burning-of-men@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 @abbidabbi/the-burning-of-men; 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/@abbidabbi/the-burning-of-men/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.