Shadowgate 64: Trials of the Four Towers (1999)

Ages have past since the vile Warlock Lord was banished to another dimension by the brave Lord Jair. The famous deed is now only spoken of as legend and myth. However, recent incidents have transpired in an attempt to resurrect the Ultimate Evil One. Caught up in a chain of events beyond his understanding or control, the Halfling Del must explore the ruins of the dilapidated Castle Shadowgate in order to unravel the mysteries set before him, and thwart the dark plans now in motion.