answers: 1998
context: this spike and slows, it is gently pushed up almost all the way to the top by another set of LIMs. The train then freefalls down the tower back through the course. Mr. Freeze (roller coaster) Mr. Freeze: Reverse Blast (previously known as Mr. Freeze) is a steel, launched, shuttle roller coaster located at Six Flags Over Texas in Arlington, Texas and Six Flags St. Louis in Eureka, Missouri. The two rides, mirror images of each other, are based on the famous Batman villain Mr. Freeze, and were both originally themed after the 1997 film Batman & Robin prior to </s> Six Flags Great America Six Flags Great America is a theme park located in Gurnee, Illinois. The park was created by Marriott Corporation, who operated it as Marriott's Great America from its original opening in 1976 until it was acquired by Six Flags in 1984. The park features ten themed areas and sixteen roller coasters, as well as a water park called Hurricane Harbor. Over 3 million guests visited the park in 2017, ranking it among the top 20 amusement parks in North America for attendance. In the early 1970s, the Marriott Corporation, owner of several restaurant chains and Marriott </s> Great Bear (roller coaster) Great Bear is an inverted roller coaster located at Hersheypark in Hershey, Pennsylvania. Designed by Werner Stengel, the roller coaster was built by Bolliger & Mabillard (B&M) and opened in 1998 in the Kissing Tower Hill section of the park. Due to surrounding terrain and proximity to other attractions, the coaster was one of B&M's most difficult installations. The supports weren't permitted to be built in nearby Spring Creek, and the limitation resulted in an unusual support structure design for a B&M coaster. Riders exit the station and climb a hill. Unique to Great Bear, there
question: when was mr freeze built at six flags