Tags: Amusement Park Attraction, Roller Coaster.
Insane is a roller coaster at Gröna Lund in Stockholm. Insane is an Intamin Zac-Spin roller coaster. It opened in 2009. The train cars contain 4 seats with 2 on each side. When navigating the course the trains are free to spin and flip. In 2011 a similar roller coaster Green Lantern: First Flight opened at Six Flags Magic Mountain.
