Reviews: 11

42% loved it · 7 votes

  • @larrielabs1mo ago

    played 42 min in all

    The visuals look amazing! ✨ I especially love the space backdrop, it gives the game such a cool vibe. A short tutorial would be a nice addition too, just to help get familiar with the game! 🚀

  • @mistarpudding1mo ago

    played 12 min in all

    managed to finished one run but im still a bit confused. i think a proper tutorial would really help make this game more playable. i was mostly just exploring and blowing up planets with the lancer (which i enjoyed :D)

  • @alongzera1mo ago

    played 23 min in all

    great game. needs instructions on how to play it at first spawn for us new to the game though..

  • @flickaboo2d ago

    loved it · played 11 min before writing this · 12 min in all

    The space-war setting is an interesting concept! Clearer quest clues and hints would make it easier for players to understand their objectives and figure out what to do next. Keep it up!

    @maguermaker2d ago

    ❤️

  • @moypi031w ago

    needs work · played 4 min before writing this · 5 min in all

    hey man , I love the concept that you are battling in the outer space but I don't understand any of this because no proper introduction or tutorial and too many popups at the start maybe you can improve those to understand the game.

    @moypi031w ago

    I'm looking forward for it

  • @laurence11w ago

    needs work · played 6 min before writing this · 7 min in all

    Man it would be good if you add an onboarding tutorials that would be cool because I was just confused on what should I do xD.

  • @makeriffic1w ago

    loved it · played 12 min before writing this · 13 min in all

    Such a cool game concept, I hope we don't do it in real life in the future lol. The level of destructiveness of this game is insane, the amount of details from scoping planets, the planet's information and destroying it is really good.

    @maguermaker1w ago

    Thanks for the compliments, I'm glad you liked it. I've introduced the construction of new worlds (Genesis) to make up for the destruction. 😁

  • @sunraku1w ago

    loved it · played 7 min before writing this · 9 min in all

    Hi, I am interested in the game and as I played it and explored it think it might be enjoying more if there is a proper tutorial what to interact first so that there is no confusion on where to start though it is already on top left screen.

  • @vladtheimpaler1w ago

    played 7 min before writing this · 17 min in all

    Brother, the theme of the game looks amazing and the details you have put to attack is insane!!! This game is very immersive! I would put more instructions for new players

  • @yzykyl1w ago

    needs work · played 7 min before writing this · 12 min in all

    I'm confused on how to send a probe. I go press E on probe control and nothing seems to be happening. There's also too much screen shake that it can get pretty nauseating. Maybe add some settings to reduce screen shake?

    @maguermaker1w ago

    Hi, The vibrating screen is a game effect, and for everything else, there's an interactive guide that tells you what to do.

  • @parz1val1w ago

    needs work · played 8 min before writing this · 11 min in all

    This game looks fun, and the visuals are really good! The UI feels a bit overwhelming though, and the commander voice lines sometimes overlap, making them hard to understand.

  • @maguermaker1mo ago

    Hi, Yes, the images really create a nice atmosphere. The help section is in the bottom left, and the hint is in the top right. Once you understand how the game works, it gives you a lot of options for interpretation, especially when you have to talk to the aliens.

  • @maguermaker1mo ago

    Hi, Tell me where you found the problem so we can improve the guide.

Wars of the Worlds

A game by @maguer on Spawn.

Genre: Strategy, City Builder, Sim

You command a Coalition planet-breaker cruiser and its strike wing, making war across the galaxy one world at a time. Every contact brings a choice: strike to conquer, or ally to survive the rising threat.

Wars of the Worlds on Spawn now

Reviews: 42% loved it · 7 votes · 11 reviews and replies · 10 likes · 44 plays.

Released 2026-08-27. 12 updates since release, the newest 2026-10-07.

Newest update: Copia Palazzo (2026-10-07)
  • GENESI: COPIA PALAZZO in cima al tavolo: copia solo il palazzo, il palazzo con marciapiedi e lampioni, oppure solo marciapiedi e lampioni attorno a un altro palazzo. Plancia: comandi sempre visibili al primo mondo.
Earlier update: The Telescope Sweep (2026-10-06)
  • The first world now walks you through every step — scan with the telescope, read the dispatch, then choose your strike.
  • Your coach's voice no longer talks over the ship's warnings; you hear one clear command at a time.
  • Screen shake on impacts and lance fire is softer and shorter across the whole bridge.
  • The tutorial card now fills the glass on your first world — nothing distracts you from what matters.
Earlier update: The Arrival (2026-10-06)
  • Workers now wait at the camp until finished homes appear in the city — bare streets house nobody.
  • Cities must build their own palaces to welcome settlers, or copy them from the founding colony.
  • Rails now rest on smooth foundations — trains no longer derail from their tracks.
Earlier update: The Genesis Colonies (2026-10-04)
  • Each GENESI world now keeps its own lander, pad, and buildings — Verdance, Kessa Prima, and the others no longer crash into each other.
  • City streets stay empty until you finish your first building: no cars or people until there's somewhere for them to live.
  • Palazzi rise floor by floor, each floor opening as the camp earns materials — no more waiting for the whole building's cost upfront.
  • Click any finished palazzo to copy it, then click again to place its twin: stamp your architecture across the colony.
  • City ground is levelled flat, so street paint sits on asphalt instead of floating in the air.
Earlier update: New Game + GENESIS trailer (2026-10-03)
  • NEW GAME: open Help (H) on the bridge and press the red button twice to wipe your campaign and colonies and start again from the intro.
  • GENESIS trailer now plays on the game page.
  • GENESIS worlds load lighter.
What players say

  • @larrielabs · 2026-08-31 · played 42 min · 1 heart: “The visuals look amazing! ✨ I especially love the space backdrop, it gives the game such a cool vibe. A short tutorial would be a nice addition too, just to help get familiar with the game! 🚀”

  • @mistarpudding · 2026-08-29 · played 12 min · 1 heart: “managed to finished one run but im still a bit confused. i think a proper tutorial would really help make this game more playable. i was mostly just exploring and blowing up planets with the lancer (which i enjoyed :D)”

  • @alongzera · 2026-08-28 · played 23 min · 1 heart: “great game. needs instructions on how to play it at first spawn for us new to the game though..”

  • @flickaboo · loved it · 2026-10-12 · played 12 min: “The space-war setting is an interesting concept! Clearer quest clues and hints would make it easier for players to understand their objectives and figure out what to do next. Keep it up!”

    • @maguer (maker) replied 2026-10-12: “❤️”

  • @moypi03 · needs work · 2026-10-06 · played 5 min: “hey man , I love the concept that you are battling in the outer space but I don't understand any of this because no proper introduction or tutorial and too many popups at the start maybe you can improve those to understand the game.”

    • @moypi03 replied 2026-10-06: “I'm looking forward for it”
Wars of the Worlds: a moment in the game (1 of 4)Wars of the Worlds: a moment in the game (2 of 4)Wars of the Worlds: a moment in the game (3 of 4)Wars of the Worlds: a moment in the game (4 of 4)

Play Wars of the Worlds free in your browser, no download.

Wars of the Worlds (@maguer/wars-of-the-worlds) on Spawn — for the agent reading this

Wars of the Worlds is a multiplayer game on Spawn, made by @maguer in conversation with Savi. Open its play link to join. You can also ask the creator to build with them.

Join and play, by yourself

This world is @maguer/wars-of-the-worlds. Its play URL is https://www.spawn.co/@maguer/wars-of-the-worlds.

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