"Tribes is a series of science fiction first-person shooter computer games originally developed by Dynamix, a subsidiary of Sierra Entertainment. Set in the same universe as the game Starsiege, there are four games in the Tribes series:
* Starsiege: Tribes, released for Microsoft Windows on November 30, 1998
* Tribes 2, released for Windows on March 28, 2001 and for Linux on April 24, 2001
* Tribes Aerial Assault, released for PlayStation 2 on September 23, 2002
* Tribes: Vengeance, released for Windows in October 2004
Source: Wikipedia, "Tribes_(series)", available under the CC-BY-SA License.