Crush Depth:U-Boat Simulator

If you fancy DCS levels of complexity in your sub sim then this may be for you.

Tech Demo,very early work in progress. Website LINK

Steam page https://store.steampowered.com/app/1397630/Crush_Depth_UBoat_Simulator/

Looks fascinating!
Indeed, immersed in this, we will be become like the legendary Johann. Emerging into the daylight, looking at it with distaste, and scuttling back to our rigs in the dimness!