Discover this amazing remake of the classic arcade game Asteroids! Dark Matter recreates the excitement and frantic gameplay of the title that made history. In 1980, Asteroids was one of the most commercially successful games that helped to establish video games as a lasting entertainment medium. Now, embark on 30 various intergalactic missions in Campaign mode or opt to survive an endless attack in Challenge mode.

— 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.