The Under Games is a seven-level campaign tournament set across a variety of game modes. Choose from new Underlords with unique playstyles, then pit them against the rest in a knockout-style competition organized by the bloodthirsty Mendechaus (Richard Ridings). Can you win The Under Games and lead the charge into the War for the Overworld?

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.