To play:
Windows Users
Click 'Start'..'Run' and type telnet alternateuniverse.dyndns.org 1063 into the box, then press 'OK'.
(That's the Windows 'Start' button, probably somewhere in the bottom-left of your screen)
Linux/UNIX Users
Type telnet alternateuniverse.dyndns.org 1063 from the command-line.
Experimental : Try out the Java telnet applet !