Post Apocalyptic Mayhem lets you race and battle heavily-modified vehicles through numerous breathtaking tracks and lay waste to other racers in over-the-top vehicular mayhem. You can use special vehicle abilities to cause spectacular destruction to enemy cars as you fight and speed to victory. You’ll experience remarkable speeds, hilarious and violent weapons, reinforced vehicles and various exhilarating tracks. 1. Go to: http://store.steampowered.com/ and download STEAM client.
2. Click “Install Steam” (from the upper right corner)
3. Install and start application, login with your Account name and Password (create one if you don’t have).
4. 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.
If you have any problems regarding key activation, please contact our Live Support.