About the game

This is an exploration into what is a fps.It is a game with an expensive campaign with hundreds of hours of single player gameplay and an expansive multiplayer gameplay with up to twenty people at the same time there are lots of fully fledged multiplayer maps. Features Play single player or multiplayer with friends. Over 15 different guns to unlock and use and different camos to go along with it. Play against AI or zombies. Reach the top of the rank!

How to activate

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.

System requirements