Colossus is a steel roller coaster at Thorpe Park in Surrey, England, and the park's first major attraction. It was built by Lichtenstein-based manufacturers Intamin and designed by Werner Stengel as an adaptation of Monte Makaya in Brazil. Colossus was the world's first roller coaster with ten inversions; an exact replica, called the 10 Inversion Roller Coaster, was later built at Chimelong Paradise in Guangzhou, China. It retained its title of having the most inversions on any other roller coaster in the world until The Smiler at Alton Towers took the record in 2013.Manufacturer Intamin used a similar train style to their Mega Coaster models, which are exposed by removing the sides of the train. This caused problems as riders could lift their legs outside of the train whilst it was in motion. For a brief period in 2002 and 2003 the ride was equipped with metal bars on the sides of the train to prevent this. During 2003 the trains were fitted with new style restraints to prevent riders from doing this and the metal plates were removed.The roller coaster is located in the Lost City area, in the south-east of the park. The ride is formed of a vertical loop, a cobra roll, two corkscrews and five heartline rolls. The ride's rough theme is the ruins of a recently unearthed Atlantean civilization. The music for the ride and surrounding area was composed by Ian Habgood. During planning and construction, Colossus was known as Project Odyssey.
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