Nethack is a single player, ASCII graphics-based adventure game, similar to the lines of Dungeons & Dragons and similar fantasy games. It is commonly classified in the larger group of Rogue-like Games, which generally are all text-based, solo adventures. Within the game, your character is after the infamous Wizard of Yendor, who has stolen the Amulet of Yendor and plans to use it for his evil purposes. You, a young member of your chosen class, have been blessed by your people and your god to retrieve the Amulet, and to save the world from the Wizard's evil plans.