Insane is a roller coaster

Roller coaster

The roller coaster is a popular amusement ride developed for amusement parks and modern theme parks. LaMarcus Adna Thompson patented the first coasters on January 20, 1885...

 at Gröna Lund

Gröna Lund

Tivoli Gröna Lund or Grönan is an amusement park in Stockholm, Sweden. It is located on the seaward side of the Djurgården island and is relatively small compared to other amusement parks, mainly due to its central location, which limits expansion. Gröna Lund is a popular venue for concerts during...

 in Stockholm

Stockholm

Stockholm is the capital and the largest city of Sweden and constitutes the most populated urban area in Scandinavia. Stockholm is the most populous city in Sweden, with a population of 851,155 in the municipality , 1.37 million in the urban area , and around 2.1 million in the metropolitan area...

. 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.