Named Game of the Year by over 50 publications, Valve's début title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
You have been given a mission of entering a military base and destroying a Gargantua. The base is well protected and you will need to keep your wits about you. Intelligence suggests there are plenty of weapons and ammo within the base. Good Luck!