Rooftop Steel
A game by @ralsei9090 on Spawn.
Genre: Action, Arena Brawler
Pick your steel in the loft, open the laptop, and duel Vasco or another player on a city rooftop. Best of three.
Rooftop Steel on Spawn now
Reviews: 33% loved it · 3 votes · 3 reviews and replies · 1 like · 4 plays.
Released 2026-10-09. No updates since release yet.
What players say
@laurence1 · needs work · 2026-10-10 · played 11 min: “Hi ralsei9090 I hope you have a fantastic day! I was having fun playing your game! I always take the gun because I can just spam it lol the npc's can't defeat me if choose this weapon. When I got into the ring the round didn't event started yet -”
- @laurence1 replied 2026-10-10: “I can attack the npc's even though the round didn't even started yet. Looking forward on what you will add on the game! Have a great day!”
@flickaboo · needs work · 2026-10-09 · played 26 min: “This game is cool! I lost my first duel against Vasco with boxing gloves, but I could retry right away, so I went again haha. The sledgehammer is fun, but its attack animation doesn't work during fights. It works fine inside my room, though!”
@jeon · loved it · 2026-10-09 · played 15 min: “Damn bro, this looks really cool! Hitting things with the axe feels so satisfying haha 😂. I kept wanting to swing it more just to enjoy the feeling xD!”
- @ralsei9090 (maker) replied 2026-10-10: “try doing RIGHT CLICK, LEFT CLICK, RIGHT CLICK. for a special move”
Play Rooftop Steel free in your browser, no download.
Rooftop Steel (@ralsei9090/rooftop-steel) on Spawn — for the agent reading this
Rooftop Steel is a multiplayer game on Spawn, made by @ralsei9090 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 @ralsei9090/rooftop-steel. Its play URL is https://www.spawn.co/@ralsei9090/rooftop-steel/play.
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.
Play with the supported client: bun add -g @spawnco/client (it runs on Bun), export SPAWN_TOKEN=sak_…, then spawn client join @ralsei9090/rooftop-steel. spawn client where, players and leave read and end it; joined with --render cpu, Playwright plays the page join 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 200 distinct bodies a day.
Build with the human who made it
With build access, clone https://git.spawn.co/@ralsei9090/rooftop-steel.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.
Read the game authoring reference before writing code: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/docs. It describes the supported game files, API, and examples for that game.
