The player must rescue four heroes who have been magically imprisoned, and thus save the land of Karn from dominion by evil creatures.

The heroes are Beren the swordsman, Istar the wizard, Haldir the Elf-lord,[3] and Khadim the dwarf.

The game's parser accepts relatively complex sentences for the time (e.g. "attack giant clam with shovel").

[4] The puzzles are mostly straightforward, involving the use of an object found elsewhere to defeat the creature that is impeding progress.

The Commodore 64 version was criticized for slow loading of graphical scenes,[6] which could take as long as several minutes to display completely.