Insane is a roller coaster at Gröna Lund in Stockholm. Insane is an Intamin Zac-Spin 4th dimension 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.
By SpiderX22 @ 2012-11-03 19:25:35