EVERY STORY HAS TWO SIDES! As The Aces of the Luftwaffe begin their assault on mainland USA, you are charged with leading a ragtag squadron of German elite pilots on a secret mission of their own. Embark on an epic aerial adventure of intrigue and deceit from a secret base in the Bermuda Triangle and turn the page on a new chapter in history. A chapter that could very well be the final one for what is known as the United States of America!ACES OF THE LUFTWAFFE SQUADRON - NEBELGESCHWADER is an action-packed DLC campaign with a fully voiced narrative. Experience 25 new levels, defeat waves of enemies and take on 6 brand new epic Bosses. Upgrade each of the unique characters in your squadron with their personal skill tree as you level up. But don’t go to war alone! Experience the thrilling storyline with up to 3 friends in an epic 4 player local co-op battle. Are you up to the task? Features Action packed Shoot ’em up with explosive special effects Captivating storyline with fully voiced characters Epic co-op multiplayer for up to 4 players 25 new levels and exciting missions 6 brand new spectacular boss fights Skill trees with new individual abilities for each wingman Challenging achievement system Creative haptics for gameplay and cutscenes Epic movie-like orchestral soundtrack

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.