Zork II: The Wizard of Frobozz

The adventure begins in the Barrow from "Zork I", armed only with the trusty brass lantern and the sword from elven antiquity. The purpose of the game is not clear at first. Like its predecessor, Zork II is essentially a treasure hunt. Unlike the previous game, the ten treasures are linked by a rough storyline. Finding the treasures does not end the game, nor are all the treasures required to complete the game. Instead, the adventurer must find a way to use the treasures to reach the game's finale.
Story
You will explore a long-hidden region of the Great Underground Realm, a region that was discovered by the Wizard of Frobozz. The wizard was once a respected enchanter, but when his powers began to wane, he was banished by Dimwit Flathead. Now on the verge of senility, the wizard is still a force to be reckoned with. Your goal as you venture into the wizard's realm is to avoid his capricious tricks and learn to control his magic.