Newly released/updated for the Pandora:
Dungeon Master was the first mouse driven 3d first person RPG -- it created the genre that is popular today. Eye of the Beholder was directly (and they had were proud of it) a clone (for the PC, while DM/CSB were originally for Atari ST and Amiga, and later PC.) These run full screen or windowed on Pandora and, with the touchscreen acting as mouse (plus pandora specific keybindings to make it more convenient.) The two games are included in the package; other dungeon packs can be gotten from around the net.
Download Here