GameSpy
Gets you playing Quake on the net

If you want to play 3D shoot-'em-ups over the Net, GameSpy is essential. The latest version - 2.02 - supports Unreal, Quake, QuakeWorld, 
Quake II, Hexen II and 
HexenWorld, enabling you 
to get stuck into some 
serious action. Installing 
the game is easy - just click 
your way through the 
dialog boxes, peruse the 
readme file and then log on 
to the Net using your 
normal ISP and follow these 
instructions to get started. Install the program now by clicking the link below.