Submarine game. Take control of a uboat U-48 and patrol the North Atlantic. Hunt Allied convoys and avoid escort groups. Return to Kiel bunkier to load torpedoes and upgrade your uboat. Patrol report: 1203 Grid 42 Reached patrol area 2230 Grid 42 Ship spotted, bearing 080 2238 Grid 42 Visual contact, medium cargo ship 2243 Grid 42 3 bow torpedoes fired 2244 Grid 42 First explosion 2245 Grid 42 Second explosion, ship sunk Rules on https://invertbit.blogspot.com/