Download their old catalog here:
Tribes Universe
Includes:
EarthSiege (1994)
EarthSeige 2 (1996)
Starsiege: Tribes (1998)
Tribes 2 (2001)
Tribes: Aerial Assault (2002)
Tribes Vengeance (2004)
and a link to already-F2P Tribes Ascend
Tribes Universe
Includes:
EarthSiege (1994)
EarthSeige 2 (1996)
Starsiege: Tribes (1998)
Tribes 2 (2001)
Tribes: Aerial Assault (2002)
Tribes Vengeance (2004)
and a link to already-F2P Tribes Ascend