Sweet, short campaign, comes with a list of challenge maps to earn achievments.

Great story-line, you can choose how and what to say to people, awsome assassinations

Not to bad with graphics, has a nice short campaign, but, it has ZOMBIES! YAY!

Great game, makes minecraft look like a wannabe

You can pick anybody you want, then fight with them, great tactics and abilities.

Follow the sequal to a legendary series called Half-life, you must fight zombies, aliens, A police force fighting to keep people in slaverly.

You can do anything, all possibilities are endless, And multi-player makes it even better

One of the most strategic games in a long time, 9 different costimizable classes, each with different skills and weapons.... and hats