If you purchased the game via Itch.io, log in to your account and download the latest build manually from your purchase page.
Corrected a bug where airlocks would occasionally fail to cycle correctly, leading to unexpected vacuum exposure. How to Download & Install download-ostranauts-v0-10-0-11
Most players will receive the update automatically. If it hasn’t started, navigate to your Library , right-click Ostranauts , and select Properties > Local Files > Verify integrity of game files to force a check. If you purchased the game via Itch