Loups gris en Atlantique (Grey wolves in Atlantic) is a single player game which simulates German patrols of a U-boot during WWII. The player is a U-boot commander and his mission is to sink a maximum of allies boats during the beginning of 1941. He has choice between 4 types of submarines (VII, IX.B, IX.C, IX.D2) with their own specificities and he can personnalize his character and crew with points. Rules are easy and, like many solitaire games, needs a lot of dice rolls.