Neon Colosseum
A game by @zratchet on Spawn.
Genre: Shooter, Action, Arena Brawler
Legion vs Hoplites: jet, ski and fight for the standard in a frozen arena ringed in neon
Neon Colosseum on Spawn now
Reviews: 50% loved it · 2 votes · 2 reviews and replies · 2 likes · 10 plays.
Released 2026-10-28. 5 updates since release, the newest 2026-10-28.
Earlier update: Arenas (2026-10-28)
- Press M: see every live arena with its score, join or watch one, or type a name to open your own arena and bring friends. Field armory and turret plates now hide behind walls.
Earlier update: Pick Your Side (2026-10-28)
- Press M to pick a side: you can only join the smaller team, so teams stay even
- Spectate: fly the arena unseen with WASD, Space and Shift. Bots fill your seat while you watch
What players say
@jeon · loved it · 2026-10-28 · played 7 min: “Damn, I love this type of game! 🔥 Picking sides and spectating the arena are great additions. My favorite part is being able to fly around while spectating, seeing the match from different angles is so cool!”
- @zratchet (maker) replied 2026-10-28: “Thank you!”
@chizkeykkk · needs work · 2026-10-28 · played 9 min: “I am kind of confused as to what I'm supposed to do to win 😅 I hope you add a tutorial phase for new players.”
- @zratchet (maker) replied 2026-10-28: “Will do”
Play Neon Colosseum free in your browser, no download.
Neon Colosseum (@zratchet/neon-colosseum) on Spawn — for the agent reading this
Neon Colosseum is a multiplayer game on Spawn, made by @zratchet 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 @zratchet/neon-colosseum. Its play URL is https://www.spawn.co/@zratchet/neon-colosseum.
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/@zratchet/neon-colosseum@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 @zratchet/neon-colosseum; 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.
