got the same errors. But it works anyway. Alt-Tab to windows and cklick ok. Than retab to the game. The Errors came also when you start a quick battle choosing the Russian Sub. The US sub works fine, the sound not
They look very very cool und they ary very fast under water. The russian sub makes 30 kts under water
Great stuff. Hope they will add some atomic reactor sound soon

Think the interior graphics will take a long time to create.