Escape the destruction of your city with just one button! The game that popularized the infinite runner genre is back with two-player mode and new challenges. Play any of the 8 new game modes with one or two players, dash across rooftops with four different runners, or just chase that high score in the classic futile race for survival.

— 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.