Temple of Apshai under Virtual PC
Now this is one of the first games I can remember playing (for the record - the first is 'Jumpman'). Temple of Apshai is a good old school graphical adventure game - that plays like a simplified version of Rogue. You get to configure your characters attributes and explore the temples, battling monsters, seeking treasure and amassing wealth:
Temple of Apshai runs well under Virtual PC.
Cheers,
Ben