Team Fortress 2, developed by Valve Corporation, was first released on October 10, 2007. Alongside iconic games like Half-Life 2 and Portal, it was released in the video game bundle The Orange Box. It was released standalone on Valve's PC video game retail shop, Steam, in April 2008. It was updated to support Mac OS in 2010, and Linux in 2013.
It is currently one of the most-played games on Steam, and has recently hit its 10-year anniversary. Over the years, it has had numerous updates adding additional content to the game.
Under Construction - more to be added soon