Team Fortress 2

Team Fortress 2 (commonly abbreviated as TF2) is a team-based first-person shooter (FPS) multiplayer video game developed by Valve Corporation. It is a sequel to the original mod Team Fortress and its GoldSrc engine remake. It was first released as part of the video game compilation The Orange Box on October 10, 2007 for Windows and the Xbox 360. A PlayStation 3 version then followed on November 22, 2007.