Game: Krusty's Fun House on Msdos

The player directs small rats to an extermination area through complicated maze-like levels. The player controls Krusty the Clown, who must navigate through his Krusty Brand Fun House. Each level is a puzzle in which a number of rats must be exterminated. Using different objects and obstacles, Krusty must create a path for the rats to follow and guide them towards an extermination device. Other creatures such as snakes and flying pigs attempt to hinder Krusty's progress by injuring him; he must throw pies in order to defeat them. In each stage the extermination devices are run by a different character, including Bart, Homer, Corporal Punishment and Sideshow Mel.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".