Alleycat
KIT
Portable Data Node MK II, Staff enclosure, Bounty lighting
Portable Data Node MK II, Standard enclosure, Bounty lighting
Fixed Data Node MK I
Portable Data Node MK II, Staff enclosure, Hunter lighting
Portable Data Node MK II, Standard enclosure, Hunter lighting
2026 Alleycat PCB membership card, front

Alleycat

An open source platform for immersive, in-person play

Custom devices with embedded rules. Players meet and play in the real world without worring about what happens next.

Play

Play Alleycat

Meet people and play in person at events. Duels with handheld gear, roleplay in the world, and hunts in the field.

Read the experience overviewNew here? Start with the FAQ
Build

Build on the platform

Fork the open stack, write firmware and games, or run Alleycat at your own event.

Browse open source
Join

Join the community

Discord, GitHub, Maker Corner, and the people who show up to build with us.

See how to join