iDOOM is a TCP/IP network driver for id
Software's DOOM<tm>. iDOOM allows up to
4 players to play DOOM over the Internet
using the TCP/IP protocol suite. A drop-in
replacement for TCPSETUP, iDOOM is also
fully compatible with the Internet FRAG
SERVERS. New in this version is a Client/
Server mode with built-in chat facility,
online game parameter changing, a player
directory, and much more.