Astroneer

Astroneer dedicated servers use UDP gameplay and query ports. Swarm Hosts persists server files under /serverdata.

Quick Facts

  • Image: swarmhosts/games:astroneer-game-runtime-detected-stable-2026.05.07
  • Persistent data: /serverdata
  • Default ports: 7777/udp, 27015/udp

Launch Notes

  1. Choose Astroneer.
  2. Use GAME_PARAMS for wrapper-specific startup overrides when needed.
  3. Manage saves and generated config through the file manager.

Data

Server saves, configs, and installed files live under /serverdata.