WWII tactical submarine combat on your iPad. Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a night attack. When the escorts come after you, drop decoys and sneak away before they can crush you with their depth charges. Features: The first game of its kind designed for touch-screen devices. Smoothly blends a submarine simulator with arcade action. Provides the tools for both stealth and offense; you decide how aggressive you want to be. Multiple times of day allow for different play styles. Location-based damage/repair affects the performance of your sub. Random encounter generator for deep replayability. Three difficulty levels. Tutorial mode helps you learn the ropes. Global leaderboards.