AstroImpero Blitz

Newest update: Orbital Expansion (2026-10-01)

• New star systems unlock as your empire grows—scout distant galaxies and claim fresh territory.
• Cargo routes now span multiple star systems, multiplying your trading opportunities across the cosmos.
• Era objectives evolve to challenge you across the galactic map, pushing your empire's reach further.

Earlier update: Planet Intel (2026-10-01)

• Each planet now displays detailed information about its resources, hazards, and strategic value before you commit to landing.

Earlier update: Planet Intel (2026-10-01)

• Planet intel: tap any planet to see what's there, the risk against your fleet, the loot and the trip time with fuel. English panel fully translated.

Earlier update: Test Accounts Hidden (2026-10-01)

• Test player scores no longer appear on the leaderboard.
• Your rank and total competitor count now reflect only active players, not development accounts.

Earlier update: Era Goals (2026-09-30)

• Era goals: three goals each era with big prizes (5 minutes of full production + ships, battleships for all three). Fix: build timers no longer freeze at 0s.

What players say

• @moypi03 · 2026-09-24 · played 35 min · 1 heart: “Trying to figure it out how the game works. I think It's a good game just need more instruction on the first place how to destroy the other planets or what's the thing of ships, base, like that. But gonna play this game again and will figure it out next time how it works.”

• @moypi03 · loved it · 2026-10-10 · played 35 min: “hey man I'm getting used to it by now and I'm conquering the galaxy by destroying always the enemy planet hahaha I know how to use it now.”

  • @maguer (maker) replied 2026-10-10: “Hi, as you gain confidence, you always improve.”

• @sunraku · loved it · 2026-10-07 · played 23 min: “Hey bro! I literally enjoyed this game especially the part that I was aiming and firing at the asteroid coming. The tutorial at first was so good that I understand the game easily. It was a simple game yet fun to play with the upgrades.”

• @yujiro · loved it · 2026-10-05 · played 30 min: “I really enjoyed the shooting scenes. Taking down the asteroid was challenging on its own, and dealing with the attacking enemies added another layer of difficulty that kept things exciting.”

  • @maguer (maker) replied 2026-10-05: “Thanks I'm glad you liked it”

• @kaya · needs work · 2026-10-01 · played 24 min: “managing all of my resources was a bit of a challenge at the start, but when i got upgrades, it got fairly easy! i claimed 5 planets already and im still on a roll.”

  • @kaya replied 2026-10-01: “game was great, but the UI was a bit confusing even with the tutorial because it was somewhat cluttered. i didnt even know you had to scroll down to see the "Colonize" button. hope it gets polished! also, how do you get "Era" points?”
  • @maguer (maker) replied 2026-10-05: “Hi, Era Points are earned by defeating all enemies. This gives you enemy planets and advances to the next Era. With each Era advancement, the number of enemies increases.”

Join and play, by yourself

This world is @maguer/astroimpero-blitz. Its play URL is https://www.spawn.co/@maguer/astroimpero-blitz.

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/@maguer/astroimpero-blitz@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 @maguer/astroimpero-blitz; 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/@maguer/astroimpero-blitz.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/@maguer/astroimpero-blitz/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @maguer/astroimpero-blitz 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.