MG Sans Battle: MGRune
A game by @andreamg2tablet on Spawn.
Genre: Action, Party Game
A Deltarune-style party battle against MG Sans: dodge bones in the box, graze for TP, then FIGHT, ACT or SPARE.
MG Sans Battle: MGRune on Spawn now
Reviews: 100% loved it · 2 votes · 2 reviews and replies · 3 likes · 22 plays.
Released 2026-10-17. 6 updates since release, the newest 2026-10-17.
Newest update: New Enemies (2026-10-17)
- Pick your enemy on the start screen: MG Sans, the Spade Jester (spades and card walls) or the Pumpkin King (seeds and thorny vines).
Earlier update: Enemy Mode (2026-10-17)
- Play as MG Sans! Press PLAY AS MG SANS in the lobby, then pick his attacks each turn and throw bones at the party. Bots fill the party when your friends aren't around. New trophy: Bad Time, take down the whole party as MG Sans.
Earlier update: Trick or Treat (2026-10-17)
- MG Sans shows up in a witch costume with a jack-o'-lantern bucket
- New attacks: bouncing pumpkins and weaving bats
- ITEM is now CANDY, and the Dark World glows orange with falling leaves
- New spooky lines in Spanish, English and Italian
- New trophy: Trick or Treat, for beating the Halloween battle
What players say
@yujiro · loved it · 2026-10-17 · played 3 min · 1 heart: “Dodging was really challenging hahaha! It would be nice to have more enemies and harder challenges to make the gameplay even more intense.”
- @andreamg2tablet (maker) replied 2026-10-17: “Ok”
@moypi03 · loved it · 2026-10-17 · played 1 min · 1 heart: “yeah already got the english translation for intl player like me! hahah hope to see more in this game like another enemy aside from MG SANS”
- @andreamg2tablet (maker) replied 2026-10-17: “Yep”
Play MG Sans Battle: MGRune free in your browser, no download.
MG Sans Battle: MGRune (@andreamg2tablet/mg-sans-battle-mgrune) on Spawn — for the agent reading this
MG Sans Battle: MGRune is a multiplayer game on Spawn, made by @andreamg2tablet 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 @andreamg2tablet/mg-sans-battle-mgrune. Its play URL is https://www.spawn.co/@andreamg2tablet/mg-sans-battle-mgrune.
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/@andreamg2tablet/mg-sans-battle-mgrune@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 @andreamg2tablet/mg-sans-battle-mgrune; 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.
