Tribes 2

Tribes: Ascend is the fourth major installation into this series of multiplayer FPS, centred around speed and pure teamwork, with the primary game mode of capture the flag.

Set hundreds of years before the events of Starsiege: Tribes, Vengeance depicts the birth of the growing Tribal War. It focuses on the events surrounding five different characters over the course of two generations and how they each contribute to the developing war. The story ("The Past") begins…

Tribes: Aerial Assault is an online FPS released in 2002. It had a pretty big cult following for several years, but recently it's become a rarity to see anyone playing it online at all.

Starsiege: Tribes is a squad and class-based multiplayer first-person shooter that emphasizes teamwork across vast, open terrain in space. It established several team-based mechanics that are seen in almost every team-oriented first-person shooter today.