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Official Site: Valve

Team Fortress 2 is a multiplayer first-person shooter game developed and published by Valve. It is the sequel to the 1996 Team Fortress mod for Quake and its 1999 remake, Team Fortress Classic. It was released in October 2007 as part of The Orange Box video game bundle for Windows and Xbox 360. A PlayStation 3 version followed in December 2007 when The Orange Box was ported to the system. Later in development, the game was released as a standalone title for Windows in April 2008, and was updated to support Mac OS X in June 2010 and Linux in February 2013. It is distributed online through Valve's digital retailer Steam, with Electronic Arts handling all physical and console ports of the game.

Players join one of two teams and choose one of 9 character class to battle in modes such as capture the flag and king of the hill. Development was led by John Cook and Robin Walker, the developers of the original Team Fortress mod. Team Fortress 2 was announced in 1998 under the name Team Fortress 2: Brotherhood of Arms. Initially, the game had more realistic, militaristic visuals and gameplay, but this changed over the protracted nine-year development. After Valve released no information for six years, Team Fortress 2 regularly featured in Wired News annual vaporware list among other ignominies. The finished Team Fortress 2 has cartoon-like visuals influenced by the art of J. C. Leyendecker, Dean Cornwell, and Norman Rockwell, and uses Valve's Source game engine.

Team Fortress 2 received critical acclaim for its art direction, gameplay, humor, and use of character in a multiplayer-only game. Valve continues to release new content on a seasonal basis in the form of submissions made through the Steam Workshop. In June 2011, the game became free-to-play, supported by microtransaction for in-game cosmetics. A 'drop system' was also added and refined, allowing free-to-play users to periodically receive in-game equipment and items. Though the game had an unofficial competitive scene for many years, both support for official competitive play through ranked matchmaking and an overhauled casual experience were added in July 2016.

In most modes, the blue and red teams compete for a combat-based objective. The game was released with six official maps, although over 110 maps have since been included in subsequent updates, including community-created maps. When players choose a gamemode for the first time, an introductory video shows how to complete its objectives. During matches the "Administrator", voiced by Ellen McLain, announces events over loudspeakers. The player limit is 16 on the Xbox 360 and PlayStation 3. In 2008, Valve updated the PC version to include a server variable that allows up to 32 players.

Engineer (TF2) has not been a contender in any CBUB matches.