If you are trying to play specialized content or customized playthroughs, you might need to "rollback" to this specific build. How to Access Subnautica v71288 (Legally)
The core engine update fixes long-standing memory leaks.
Before switching between game versions, always back up your save files. The game's save data is typically located in:
If you specifically need an older version like for a certain mod to work, Steam is your best bet:
Note: Disable automatic updates for Subnautica in your Steam settings to prevent the client from immediately overwriting your older build with the newest live version. Accessing the "Legacy" Beta Branch on Steam
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Following official updates that removed easy access to older versions, the community has developed several methods to download and maintain v71288: Steam Legacy Branch:
Subnautica build is recognized by the player community as the "last stable version" of the game before the major 2.0 "Living Large" update. It is frequently sought by players who use the Nitrox Multiplayer Mod , as it is known to be highly compatible with that mod without requiring extensive configuration. Key Features of v71288