Muppet Adventure: Chaos at the Carnival is a video game released for the Nintendo Entertainment System in 1990 by Hi Tech Expressions. It is a conversion of a game originally released for the Apple II, Commodore 64 and MS-DOS platforms in 1989. The game features Muppets created by Jim Henson in a series of carnival-inspired mini games searching for enough keys to rescue Miss Piggy from Dr. Grump. These mini games include Bumper Cars, Funhouse, Tunnel of Love, Duck Hunt and Space Ride.