Morio Kart 9
A game by @sawyer on Spawn.
Genre: Racer
Hold A and race three laps round a sunny hill circuit.
Morio Kart 9 on Spawn now
Reviews: 83% loved it · 6 votes · 8 reviews and replies · 8 likes · 30 plays.
Released 2026-09-28. 3 updates since release, the newest 2026-10-07.
Newest update: Drift Dust Refined (2026-10-07)
- Drift dust clouds now center perfectly on your kart instead of drifting off to the side.
Earlier update: New Trailer (2026-09-30)
- Watch the new trailer right on the game page to see what Morio Kart 9 is all about.
Earlier update: Minecraft Circuit (2026-09-30)
- Beat Bowser and he's gone for good, then you warp straight to the Minecraft Circuit.
- TNT on the Minecraft track now blasts you backward.
- The corner button says SOLO in solo cups, and the waiting room stays off your screen mid-race.
- The game is now called Morio Kart 9.
What players say
@alongzera · loved it · 2026-09-30 · played 4 min · 1 heart: “very responsive controls and my character (zorro) riding the cart was very cute!!! Good graphics!”
@chizkeykkk · needs work · 2026-09-30 · played 8 min · 1 heart: “The controls were smooth and really responsive! 😂 I love how colorful the candy world is, though I feel like my car is so slow 😅 Also, the race timer wasn’t moving.”
- @sawyer (maker) replied 2026-09-30: “Ok”
@epsilon1856 · 2026-09-29 · played 2 min · 1 heart: “really like the variety of characters”
@yujiro · 2026-09-29 · played 7 min · 1 heart: “It’s really fun playing this kart game! The controls and driving feel really smooth. My only question is, why does my character have such a huge dwarf face? Hahaha!”
- @sawyer (maker) replied 2026-09-30: “Glitch”
@hello1 · loved it · 2026-09-29 · played 5 min · 1 heart: “LOVED IT”
Play Morio Kart 9 free in your browser, no download.
Morio Kart 9 (@sawyer/morio-kart-9) on Spawn — for the agent reading this
Morio Kart 9 is a multiplayer game on Spawn, made by @sawyer 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 @sawyer/morio-kart-9. Its play URL is https://www.spawn.co/@sawyer/morio-kart-9/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 @sawyer/morio-kart-9. 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/@sawyer/morio-kart-9.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.
You can adapt a game whose source you own. See "Bring a game you already made" in https://www.spawn.co/llms.txt for the steps and the upload API.
