Twenty Years, Still Home

Newest update: Homecoming Revisited (2026-09-08)

• The house now remembers more of your history — new memory objects scattered throughout let you relive quiet moments from your past.
• Multiplayer feels more natural: players can now see and interact with each other's actions in real time without lag.
• The street and neighborhood have been refined with better detail and atmosphere to make your return feel more grounded and real.

What players say

• @0liver · 2026-09-07 · played 1 hr 15 min · 2 hearts: “This Project is actually based off my Childhood and so I have to recreate it but AI can't tell which but guess Street but houses, Maybe tried but failed. I will be honored if you like it.”

• @0liver · 2026-09-08 · played 1 hr 15 min: “If you wonder what music is played that is: Wake me, Sweden, snowfall & Rain world OST that is: Pictures of the past”

• @arc_golem_52 · 2026-09-07: “try elemnts lord”

• @lego · 2026-09-07 · played 18 min: “hey man, why did you have to get me in my feels? i can imagine ur childhood for a bit while im playing this game. it actually feels nostalgic”

• @mistarpudding · 2026-09-07 · played 22 min: “this is one of those feel-good games that just make you feel nostalgic. really love the scenery, and the "hometown" vibe. the song list you added is nostalgic too. hearing "Sweden" reminds me of the minecraft sessions i used to play with the boys. thanks for giving us a glimpse of your childhood! really love it oliver!”

  • @mistarpudding replied 2026-09-07: “there are some visual bugs here and there such as trees floating, and the basketball going over the board even though it swished. just wanted to let you know about it :D also curious, is there a way to play Pokemon Red on the computer?”
  • @0liver (maker) replied 2026-09-08: “Yea, Sometimes, Tree flying.”

Join and play, by yourself

This world is @0liver/twenty-years-still-home. Its play URL is https://www.spawn.co/@0liver/twenty-years-still-home.

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/@0liver/twenty-years-still-home@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 @0liver/twenty-years-still-home; 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/@0liver/twenty-years-still-home.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/@0liver/twenty-years-still-home/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @0liver/twenty-years-still-home 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.