Krusty’s Fun House, released as Krusty World (クリスティーワールド, Kurisutī Wārudo) in Japan, is a video game based on the cartoon series The Simpsons. Originally released as Rat-Trap on the Commodore Amiga, it was developed by Fox Williams for the British software house Audiogenic, who licensed it to Acclaim Entertainment, the U.S.-based publishers of a range of games based on The Simpsons.

The game was released in 1992 for the Amiga, NES, IBM PC, Sega Master System, Sega Game Gear, Game Boy, Super NES and Sega Mega Drive/Genesis. Acclaim published the console versions, and sub-licensed the home computer versions to Virgin. The 16-bit versions on the Super NES and the Mega Drive/Genesis were entitled Krusty’s Super Fun House.