Uboat Free Download (b131 Hotfix 1) Apr 2026

: A new automated hydrophone check button was introduced, allowing the crew to dive and listen for enemies automatically.

For those looking to play the current version of the game, updates like 2026.1 Patch 11 have since added the and further optimized performance.

: ~71 GB available space (Note: Installation size grew to approximately 14.6 GB during this specific patch cycle) UBOAT Free Download (B131 Hotfix 1)

: New immersive effects were added, such as periscope lenses being wetted by water, denser rain that splashes on surfaces, and marine snow under the sea.

The update, released in December 2021, served as a refinement of the massive "Christmas Update" for the WWII submarine simulator UBOAT . This particular version is notable for introducing substantial visual and gameplay quality-of-life improvements. Key Features and Changes in B131 : A new automated hydrophone check button was

: This version required players to start a new save file for full compatibility, as major engine and gameplay overhauls often broke older saves.

Hotfix 1 was primarily aimed at stabilizing the new features and fixing issues introduced in the initial B131 release. The update, released in December 2021, served as

To run this version on PC, the following specs were generally required: : Windows 7/8/10/11 (64-bit)