PonyPen
A game by @zel on Spawn.
Genre: Puzzle, Cozy
A new pony puzzle every day: drop boulders, build the biggest pen, don't let it bolt.
PonyPen on Spawn now
Reviews: 100% loved it · 2 votes · 2 reviews and replies · 2 likes · 6 plays.
Released 2026-10-30. No updates since release yet.
What players say
@neitantei · loved it · 2026-10-30 · played 8 min: “Yayy, I beat the high score! 😂 This is such an interesting game because it makes you think. Looking forward to seeing more stages in future updates!”
@larrielabs · loved it · 2026-10-30 · played 4 min: “ヾ(•ω•`)o I love the concept of this game! ✨ It's fun to work through the board, and I'm excited to see more maps to explore! 🗺️💕 I was also wondering if we'll be able to customize the horse in the future! 🐴 It would be such a cute addition! ~”

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



