Finally released on the Source game engine in 2007, Team Fortress 2 would preserve much of the core class-based gameplay of its predecessors while featuring an overhauled, cartoon-like visual style influenced by the works of J. After Valve released no information for six years, Team Fortress 2 regularly featured in Wired News ' annual vaporware list among other entries. Initially, the game had more realistic, militaristic visuals and gameplay, but this changed over the protracted nine years of development. Team Fortress 2 was announced in 1998 under the name Team Fortress 2: Brotherhood of Arms. Development was led by John Cook and Robin Walker, the developers of the original Team Fortress mod. Players join one of two teams-RED or BLU-and choose one of nine character classes to play as, with game modes including capture the flag and king of the hill. It is distributed online through Valve's digital retailer Steam, with Electronic Arts managing retail and console editions.

It was released as a standalone game for Windows in April 2008, and updated to support Mac OS X in June 2010 and Linux in February 2013.

The game was released in October 2007 as part of The Orange Box for Windows and the Xbox 360, and ported to the PlayStation 3 in December 2007. It is the sequel to the 1996 Team Fortress mod for Quake and its 1999 remake, Team Fortress Classic. Team Fortress 2 is a 2007 multiplayer first-person shooter game developed and published by Valve Corporation.

Download team fortress 2 windows 10