WWII tactical submarine combat! 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 daring night attack. When the escorts come after you, drop decoys and sneak away before they can crush you with their depth charges. Jump in for a quick convoy encounter, or launch a full-length War Patrol, seeking out the biggest, most valuable targets. Features 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. Four difficulty levels. Tutorial mode to help you learn the ropes. Mouse and Touch-screen interfaces. Global leaderboards.

— Activation Details —

Go to: http://store.steampowered.com/ and download STEAM client Click “Install Steam” (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don’t have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam… Follow the onscreen instructions to complete the process. After successful code verification go to the “MY GAMES” tab and start downloading.