Krusty's Fun House is a game based on the Simpsons' character Krusty the Clown, released for the NES in the USA. The game would share similar characteristics with the European release, likely a platformer or adventure in a Krusty-themed environment.  Details about the specific developer would be found in game release documentation, and it would be a licensed title from the Simpsons' franchise.

Krusty's Fun House (USA)

Krazy Kreatures (USA) (Unl)