High Quality Content by WIKIPEDIA articles! Enemy Territory: Quake Wars (ET:QW) is a first-person shooter video game, and is the follow-up to the 2005 title Quake 4. It is also the first game in the series to be rated T by the ESRB (With the descriptors of Mild Language and Violence. Mild Blood is featured but only on the Microsoft Windows version). It is set in the same science fiction universe as Quake II and Quake 4, with a minimal back-story serving as a prequel to Quake II. It is the second multiplayer-focused game in the Quake series after Quake III Arena.