The protagonist must navigate a subterranean labyrinth to recover hidden treasures while contending with the unpredictable interference of a powerful, capricious wizard.

The player assumes the role of an adventurer exploring the depths of the Great Underground Empire, a world governed by logic-based puzzles and environmental hazards. The narrative unfolds through a text-based interface where the player inputs commands to manipulate objects and interact with the environment. Opposing the player is the Wizard of Frobozz, whose erratic magic alters the state of the game world, requiring the player to adapt their strategy to overcome shifting obstacles and complex spatial challenges.

Readers and players frequently highlight the challenging nature of the puzzles as a defining characteristic of the experience. Discussion often centers on the effectiveness of the Wizard as a disruptive force that keeps the gameplay from becoming static. The atmosphere is noted for its dry wit and the clever subversion of traditional fantasy tropes common to the era. Critics often point to the game's technical limitations as a source of frustration, yet acknowledge its importance in the history of interactive storytelling. The balance between exploration and logical deduction remains a frequent topic of analysis for those interested in early computer gaming history.