Description:

qstat is a command-line program that displays information about
Internet game servers.

Games supported include Quake, QuakeWorld, Hexen II, Quake II,
HexenWorld, Unreal, Half-Life, Sin, Shogo, Tribes, Tribes 2,
Quake III: Arena, BFRIS, Kingpin, and Heretic II, Unreal Tournament,
Soldier of Fortune, Rogue Spear, Redline, Turok II, Blood 2,
Descent 3, Drakan, KISS, Nerf Arena Blast, Rally Master, Terminous,
Wheel of Time and Daikatana.

Note for Tribes 2: qstat only supports Tribes 2 builds numbered 22075
or higher.