Roadster Arena
A game by @sidriff on Spawn.
Genre: Sports, Action
White roadsters, a moon for a ball, one black reveal-night arena. Drive the walls, fly the ceiling, score.
From the maker
It's literally a rocket car. Someone had to make this.
Roadster Arena on Spawn now
Reviews: 100% loved it · 2 votes · 2 reviews and replies · 2 likes · 8 plays.
Released 2026-10-16. 2 updates since release, the newest 2026-10-16.
Newest update: Roadster Arena (2026-10-16)
- New name: Roadster Arena
- Bots fly now: they hover up to high balls, climb the walls and cross the ceiling
- Richer paint colours in the lobby shop
Earlier update: Paint Shop (2026-10-16)
- Paint shop in the lobby: pick your car's colour and trim
- Bots wear fresh paint every kickoff
- The hero car now parks on the turntable
- Smoother tire handling, cleaner arena floor
What players say
@laurence1 · loved it · 2026-10-16 · played 2 min: “Hi @sidriff! I hope you have a fantastic day! Your game reminds me of rocket league! I encounter some minimal issues at the start of the round I already hit it but it delays. Looking forward to it and may you have a good day!”
@alongzera · loved it · 2026-10-16 · played 2 min: “game reminds me of rocket league. sometimes hitting the ball is delayed though”

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


