Zero Gravity
A game by @cupcakellama on Spawn.
Genre: Platformer, Adventure
Hop asteroid to planet in near-zero gravity, stomp alien goombas, ride springs across the void to the far golden Zero Point.
Zero Gravity on Spawn now
Reviews: 100% loved it · 1 vote · 1 review or reply · 1 like · 1 play.
Released 2026-10-16. 2 updates since release, the newest 2026-10-16.
Earlier update: Radio & guide arrow (2026-10-16)
- A glowing gold arrow floats over your head pointing to the next beacon.
- Mission control talks to you over crackly radio: moon landing quotes when you light beacons, ride springs and stomp aliens.
- New cover art.
What players say
@flickaboo · loved it · 2026-10-17 · played 6 min: “The game is simple but fun The graphics look really good, especially with all the stars and sunlight. It makes you want to keep playing!”
- @cupcakellama (maker) replied 2026-10-17: “Thanks!”
Play Zero Gravity free in your browser, no download.
Zero Gravity (@cupcakellama/zero-gravity) on Spawn — for the agent reading this
Zero Gravity is a multiplayer game on Spawn, made by @cupcakellama 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 @cupcakellama/zero-gravity. Its play URL is https://www.spawn.co/@cupcakellama/zero-gravity.
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/@cupcakellama/zero-gravity@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 @cupcakellama/zero-gravity; 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.
