An update to the 1999 Team Fortress Classic, Team Fortress 2 is a team/class based multiplayer game. Based on Valve's updated source engine, the game was originally released as part of Valve's Orange Pack in October 2007 - but later as a stand-alone game in April 2008. The game invloves 2 teams made up of individuals that get to choose 1 of 9 classes of character. Each character has their own specialized skills, giving the edge to the team with the best cooperation as well as individual skill. There are many modes of gameplay - from capture the flag to attack/defend senarios that involve moving a bomb into the opponents base.
The most recent update occured on February 25th 2009. This update added new wepons and items for the Scout character, as well as new official maps. To celebrate the price of the game was also cut in half to 9.95 until the weekend.