ARK: Survival Ascended

ARK: Survival Ascended uses UDP for gameplay and TCP for RCON. Swarm Hosts persists the saved game state under /home/steam/ark/ShooterGame/Saved.

Quick Facts

  • Image: swarmhosts/games:arksa-game-runtime-detected-stable-2026.05.07
  • Persistent data: /home/steam/ark/ShooterGame/Saved
  • Default ports: 7777/udp, 27020/tcp

Launch Notes

  1. Choose ARK: Survival Ascended.
  2. Set SESSION_NAME, SERVER_MAP, and SERVER_ADMIN_PASSWORD.
  3. Optionally set a player-facing SERVER_PASSWORD.
  4. First boot downloads the Windows dedicated server and Proton runtime, so startup can take a while.

Connect

Players should search for the session name in the in-game browser or join the published host and UDP game port directly if their client flow supports it.