There have been many versions of Xconq. This listing shows all of those that I know about; there are probably others as well.
In addition to the program releases listed below, many people have created and released their own game designs.
Initial work on a curses-based Empire clone, manual entry of large world map earth1.map (now earth-1deg.g)
port to X10
conquest 1.0 (May?)
2.0, 3.0, 4.0 (never released)
port to X11
5.0 (June)
5.1 (July)
uconq (first attempt at server/client)
5.3 (discovered on net, unknown author)
5.4 (by Greg Fisher)
5.4a
5.5 (with Robert Forsman)
5.5.1
5.5.1a
6.0 (by Alain Brossard)
Start of Mac port
First developer versions of 7.0
more developer versions of 7.0
5.6 (by Michael Peters, has Motif interface)
7.0 (August)
7.0.1 (August)
7.1.0 (April)
7.2 (April)
7.2.1 (May)
7.2.2 (June)
(various snapshots, 7.2.85 and up)
7.3.0, 7.3.1, 7.3.2 (June)
7.4.0, 7.4.1 (December)
Windows port is fixed up
Frequent CVS snapshot releases of pre-7.5