Here you will find other CRPGs that those who like Rogue may enjoy.� Most of the are relatively difficult to find.
Cavequest 1.1 (DOS)
Caverns of Zoarre 1.0 (DOS)
DND 1.2:1 (DOS)
DotND (DOS)
Leygref's Castle (DOS)
Omega 0.71 (DOS, *real-mode*, which will run on pre-386 PCs such as the HP 200LX!) (**ADDED 11/26/2008**)
Oubliette (C64)
Oubliette 2.5 (DOS)
Oubliette unofficial manual
Oubliette official manual (Word97)
Oubliette spell list
Wizard's Lair I: the Trial 2.2 (DOS)