Disco Dodgeball is a physics-based first-person sports shooter set in a dance club. Dodge, deflect and catch enemy fire as you perform ridiculous aerial stunt shots. Play online or offline in a wide variety of game modes including Hoops, Capture The Flag, Grand Prix and of course, Classic Elimination.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.