Project Zomboid

Project Zomboid uses UDP for gameplay and exposes an additional TCP port for server-side services. Swarm Hosts persists its data under /serverdata.

Quick Facts

  • Image: swarmhosts/games:projectzomboid-game-runtime-detected-stable-2026.05.07
  • Persistent data: /serverdata
  • Default ports: 16261/udp, 16262/udp, 27015/tcp

Launch Notes

  1. Choose Project Zomboid.
  2. Set ADMIN_PWD before first boot.
  3. If you need larger player counts or extra mod settings, edit the generated config files inside the mounted deployment data after initial startup.

Connect

Players typically join with the primary UDP game port shown in the deployment details.