Uboat Free Download: (b131)

Realistic underwater particles enhance the sub-surface atmosphere.

Periscopes now leave a visible wake while moving. UBOAT Free Download (B131)

For more details, you can view the official B131 Update Trailer or read the full patch notes on SteamDB . UBOAT - Christmas update: B131 - SteamDB UBOAT Free Download (B131)

The periscope interface was completely overhauled to be more intuitive, including built-in video tutorials for each tool. UBOAT Free Download (B131)

The periscope eyepiece now features raytraced reflections from the lens for increased fidelity.

Water now realistically affects the camera view.

The update added advanced visual details including: