It was renovated by Rocky Mountain Construction to feature barrel roll inversions , and a near - vertical drop .
Within two weeks of its closure , Six Flags announced that the roller coaster would reemerge in 2015 as a steel - tracked roller coaster named Twisted Colossus .
Six Flags was renovated by Rocky Mountain Construction to feature barrel roll inversions , and a near - vertical drop .
Within two weeks of its closure , Six Flags announced that the roller coaster would reemerge in 2015 as a steel - tracked roller coaster named Twisted Colossus .