The Worms Reloaded "Retro Pack" features 15 single-player missions that have been hand-picked from the classic Worms: Armageddon game and re-worked exclusively for this downloadable content pack. The "Retro Pack" also includes 3 new hats, 3 new gravestones, a new landscape theme and 10 new Achievements.
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.
Sid Meier's Civilization V - Brave New World Expansion EU Steam CD Key
1 × $6.04 
ARMA 3 Digital Deluxe Edition EU Steam CD Key
1 × $17.73 
