The Riddler's Revenge is a stand-up roller coaster located at Six Flags Magic Mountain. Manufactured by Bolliger & Mabillard, the ride opened as the park's eleventh roller coaster on April 4, 1998, setting multiple world records among stand-up coasters. Located in the Movie Town area of the park, The Riddler's Revenge was also the park's single biggest investment at a cost of $14 million. It stands 156 feet (48 m) tall and features a top speed of 65 mph (105 km/h). The 4,370-foot-long (1,330 m) coaster also features six inversions and a ride duration of approximately three minutes.