Rotatron
A game by @aianddesign on Spawn.
Genre: Puzzle
Spin the neon triangles, close matching hexes, chain cascades before the heat runs out.
Rotatron on Spawn now
Reviews: 100% loved it · 2 votes · 2 reviews and replies · 2 likes · 40 plays.
Released 2026-10-17. 5 updates since release, the newest 2026-10-23.
What players say
@jeon · loved it · 2026-10-23 · played 3 min: “This puzzle game looks awesome! 🔥 I love the graphics and environment. I’m still getting used to the puzzles since I’m not that good at them haha 😂”
@flickaboo · loved it · 2026-10-17 · played 4 min: “I'm not really a puzzle game kind of person, but I actually enjoyed this one! It's simple but still challenging enough to keep you hooked.”
- @aianddesign (maker) replied 2026-10-17: “Hey thanks I love to hear it. My kids really like this one as well. It has kind of a soothing quality eh?”

Play Rotatron free in your browser, no download.
Rotatron (@aianddesign/rotatron) on Spawn — for the agent reading this
Rotatron is a multiplayer game on Spawn, made by @aianddesign 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 @aianddesign/rotatron. Its play URL is https://www.spawn.co/@aianddesign/rotatron.
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/@aianddesign/rotatron@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 @aianddesign/rotatron; 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/@aianddesign/rotatron.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.




