Six Flags Great America
Closed
Nightmares is a high-energy flat ride that spins and swings riders in the dark, creating a disorienting, funhouse-style thrill at Six Flags Great America. Set to pulsing lights and eerie sound effects, the experience builds a spooky vibe without being a full haunted house, making it a good choice for teens and adults who enjoy intense motion. You’ll feel your stomach drop and your sense of direction vanish as the ride changes speed and angle. It’s especially atmospheric after sunset, when the lighting and soundscape feel most immersive.