Game Description:The travails of a bad guy. Wario's castle has a huge treasure room downstairs. Little does Wario know that there is a black gem in that room that turns his other gems into monsters! Where once he had treasure, he now has a big problem! Wario World puts you in the shoes of the popular Nintendo villain as he races to save his castle. Levels will take you to a variety of different worlds, including the graveyard, the circus, and a giant pyramid.