Say hello to the creative shooter. Ace of Spades: Battle Builder is the first-person shooter that lets you create your battleground, destroy it, then create it again. Up to 32 players choose from seven unique classes and jump into team-based, multiplayer mayhem across an endlessly evolving battlefield, to construct, destruct and take out the opposition.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.