Team Fortress 2 (TF2) is a free-to-play multiplayer first-person shooter video game. It is made by Valve Corporation, who develops and publishes the game.

The game has nine characters, called classes. Players can choose which one of these classes they want to play, and can change classes in the middle of a round. There are many different game modes, such as Payload, which has one team pushing a cart along a track while the other team tries to stop them, and a version of Capture the Flag, where players must capture a briefcase with important papers. The game is set in 1968, in an alternate history. The game is also takes inspiration from many famous spy movies and TV shows, taking elements from James Bond, The Man from U.N.C.L.E., and Get Smart.

The game was first released in October of 2007 in The Orange Box, a package with Half Life 2, Portal and Team Fortress 2. It was later released separately for the Playstation 3, Xbox 360, Microsoft Windows, Linux and Mac computers. It became free to play on June 23, 2011.