Hail to the Icons Parody Pack is the first add-on for Duke Nukem Forever. It contains three new game modes (Freeze Tag, Hot Potato, and Hail to the King), four new multiplayer maps (Call of Duke, Sandpit, Inferno, and 2Forts1Bridge) and new weapons (including the N00b T00b, sticky bombs, and a minigun).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.