Guide :: Basic Walkthrough for the original EA version (EA8)
If using a Steam version, right-click the game > Updates > and select "Only update this game when I launch it" to prevent Steam from overwriting your specific version.
Ensure all parts are in the same folder. Right-click part1.rar and select "Extract Here" using 7-Zip or WinRAR . It will automatically pull data from the other parts.
Before moving files, ensure your destination folder (e.g., \steamapps\common\SubnauticaZero ) is entirely empty to avoid corruption.
Are you having trouble with a during extraction or launch?
Once the game is running, focus on these early-game objectives to progress the story: