Conquest is a real-time, multi-player space warfare game that was originally written in RATFOR for the VAX/VMS platform by Jef Poskanzer and Craig Leres in 1982. It was the early predecessor to Netrek.
GL client 8.5.1 (Stable - Apr 22, 2010) for windows platform. This is a client only - you must connect to a server to play. See readme.txt and install.txt for instructions.