Multiplayer Bitsy

Build games with your friends in Bitsy. Edit one game across multiple devices, seamlessly and in real-time. Or dial in a friend and edit together.

Multiplayer Bitsy runs in your browser. Share the link with anyone.

Awards:
Most Innovative Material at IndieCade Horizons Educators' Summit 2026

Are you an educator, jam organizer, or game developer who wants to use this tool? Book a 30min call with me: https://calendar.app.google/ABQg7N2yXXFVWGAj7

Prior art: 

• Anna Anthropy's Itsy Bitsy Exercises
• Natalie Lawhead's A MAZE 2025 jam
  
• adam le doux and the bitsy contributors

Multiplayer Bitsy is free software. Code and self-hosting instructions are available on GitHub.