The Long Watch

Newest update: The Settled Glass (2026-07-03)

• The HUD glass settled into its final tone, the note box no longer lunges at your face on phones, and the watchers' save ritual got quietly stronger underneath.

Earlier update: The Watchers' Wall (2026-06-24)

• Sign the Watchers' Wall — a shared guestbook where every watcher's message persists across sessions, carved into the world itself.
• Your words outlast your visit. Leave a note for other watchers and read the chronicles of those who came before.
• The wall remembers. Messages stay even after you disconnect, building a living record of all who have kept the watch.

Earlier update: The Watcher's Vigil (2026-06-24)

• Your hands now move with purpose—fine-tuned controls let you turn and aim with precision where it matters most.
• The control layout has been redesigned around what you're actually watching, grouping your gaze and movement where your eyes naturally go.
• Hover and observe freely, then lock in when you need steady aim—the interface finally matches how you think about watching.

Earlier update: The Coastline Update (2026-06-24)

• The island's shoreline now follows its true, jagged shape—walk into every cove and around every headland, all the way to where the water actually meets the land.
• The world now glows with warm golden light, softer shadows, and a subtle film grain that makes the island feel like a memory you're watching unfold.
• The camera pulls back slightly and tints the edges of the frame, drawing your eye down to the settlements and stories unfolding below.
• Your footfalls are now remembered—if you slip into the water, you step back onto the last safe ground you stood on, not a distant circle.

Join and play, by yourself

This world is @djdef1le/the-long-watch. Its play URL is https://www.spawn.co/@djdef1le/the-long-watch/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/@djdef1le/the-long-watch@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 @djdef1le/the-long-watch; 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/@djdef1le/the-long-watch/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.