Multiplayer and Connection Checklist
Host private or public sessions and troubleshoot joins without risking a good save.
Patch scope: 1.0.11 · Last checked: 2026-09-02 · 45–60 min
Field answer: The store still says one to four players, while official Patch 1.0.4 raised the current lobby capacity to eight.
Patch-sensitiveExact prices and hidden formulas are omitted when current sources disagree.
01Restart Steam and verify that every player has the same build.
The store still says one to four players, while official Patch 1.0.4 raised the current lobby capacity to eight.
✓ Restart Steam and verify that every player has the same build.
02What to do
Restart Steam and verify that every player has the same build.
Let the host fully enter the world before sending invitations.
Check the Steam Relay indicator before altering network settings.
Recreate a temporary lobby before touching a long-running save.
Use in-game Save, Main Menu or Quit after important hand-ins.
Patch-sensitive: Let the host fully enter the world before sending invitations.
03Check the Steam Relay indicator before altering network settings.

Sidestep the charge, attack during recovery and preserve the shell.
✓ Check the Steam Relay indicator before altering network settings.
04Recreate a temporary lobby before touching a long-running save.
05Field answer
Return the shell, collect Boat Keys, then verify the Radar marker.
✓ Official changes through Patch 1.0.11, with outdated advice called out.