Have you heard of these TF2 Mods_

Team Fortress 2 is a multiplayer first-person shooter game developed and published by Valve Corporation. It is the sequel to the 1996 Team Fortress mod for Quake and its 1999 remake, Team Fortress Classic. 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 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. It is distributed online through Valve's digital retailer Steam, with Electronic Arts managing retail and console editions.

game: Team Fortress 2