well I now get the title to show up in the single player missions but it doesn't show a sub to play. It says unknown player. but when you validate a mission everytime it says Error: no player unit found. So when you go back to parameters theres a box to put a check mark in that says Ignore player submarines and if you check that box the validation accepts the mission. But then your submarine isn't recognized in the game. I havn't a clue what is wrong. This is nothing like what we had in sh3. Can't the Devs explain their work as this is really frustrating!!!!!!!!!