Superman The Ride is a steel roller coaster at Six Flags New England in Agawam, Massachusetts. Built by Swiss manufacturer Intamin, the hypercoaster opened to the public as Superman – Ride of Steel in 2000. It features a 208-foot lift hill, a 221-foot drop, and a maximum speed of 77 mph.
Kingda Ka is a hydraulically-launched steel roller coaster located at Six Flags Great Adventure in Jackson, New Jersey, United States. Manufactured by Intamin and designed by Werner Stengel, Kingda Ka opened as the tallest and fastest roller coaster in the world on May 21, 2005, surpassing Top Thrill Dragster.