: The experimental branch is used to test major updates—such as the massive Unreal Engine 5.6.1 upgrade —before they reach the stable Early Access branch.

Unlike Steam, this is listed as a separate game entry in your library. Download and install it individually to play the experimental branch. Key Details for Experimental v3 (Update 3) and Beyond

: Expect crashes, bugs, or data loss . It is highly recommended to back up your save files before switching.