Lankhmar is a game based on the characters in the Nehwon world created by Fritz Leiber. It contains elements of both individual character adventures, army combat, and magic quests.
Play involves the drawing and following of geas cards, moving units and weaponry, collecting rewards from the Reward Deck after completing quests, and resolving battles. The map is made up of hexes of various land types with varying combat affecting statistics. Units have a set number of action points with which they can move or carry out their other unit abilities such as changing or picking up weapons.
The geas component is the most unique, forcing players to send their heroes off on perilous quests despite whatever plans had been previously made.
Optional rules include the inclusion of healing, land sinking into the sea, and a more complicated combat system.