High Quality Content by WIKIPEDIA articles! Team Fortress Classic, also known as Team Fortress 1.5 or simply TFC, is a team-based multiplayer first-person shooter video game developed by Valve Corporation. It is a port over of the Team Fortress modification for Quake. Team Fortress Classic was originally released for Windows on April 7, 1999 as a modification to Half-Life. A standalone version was later released with Valve`s Steam system in 2003. The development of Team Fortress Classic was led by John Cook and Robin Walker, the designers of the original Team Fortress modification.