Hi, I too favor this for ww2 Atlantic. There ahve been boardagmes based on this but we need a pc version
See here:
https://boardgamegeek.com/geeklist/1...ubmarine-games
https://boardgamegeek.com/boardgame/85108/u-boat-leader
Only thing I wold recommend is a nice map with frindly user interface and icons. Similar to panzer corp for units.