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Stand up roller coaster

The Riddler's Revenge is a steel 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. Originally located in the Movie District section of the park, which later became Metropolis in 2017, The Riddler's Revenge was also the park's single biggest investment at a cost of $14 million. It features a height of 156 feet (48 m), a maximum speed of , six inversions, and a track length of 4370 feet (1332 m).

Construction of the coaster began in late 1997. The ride's name was revealed in January 1998. It would be called The Riddler's Revenge, and would set world records for the stand up coaster in height, drop, speed, length and number of inversions. The ride also broke the record for the world's tallest vertical loop. The previous holder of all these records was Chang at Kentucky Kingdom, which was installed exactly one year prior. The Riddler's Revenge soft opened on April 1, 1998. Three days later on April 4, 1998, the ride officially opened. The opening of the ride was part of a redevelopment of the Monterey Landing themed area, which became a themed area known as Movie District. As part of the expansion the park added new restaurants, retail outlets, and rethemed some existing rides. In March 2000, The Riddler's Revenge conceded the title of the world's largest vertical loop to Superman: Krypton Coaster at Six Flags Fiesta Texas. The floorless roller coaster featured a 145 feet (44 m) vertical loop, 21 feet (6 m) taller than that of The Riddler's Revenge. The park closed several rides including The Riddler's Revenge in early 2017 to begin the construction of Metropolis, a new themed area that resulted in new paint schemes along with modified entrances and exit queues for some attractions. The new area opened on July 12, 2017, which marked the reopening of The Riddler's Revenge.

The 4370 feet (1332 m) Riddler's Revenge stands 156 feet (48 m) tall. With a top speed of , the ride features six inversions including a 124 feet (38 m) vertical loop, two dive loops, an inclined loop, and two corkscrews. Riders experience up to 4.2 times the force of gravity on the three minute ride.

The Riddler's Revenge is one of four Bolliger & Mabillard roller coasters at Six Flags Magic Mountain, joining Batman: The Ride, Scream, and Tatsu. The coaster is the park's second stand up coaster; the first, Shockwave, was a smaller coaster manufactured by Giovanola and contracted by Intamin. It operated at the park from 1986 to 1988. Shockwave was relocated to Six Flags Great Adventure, preceding the installation of Green Lantern (a retheming and relocation of Chang).

As its name suggests, The Riddler's Revenge is themed after the DC Comics character Riddler. The track was originally painted green with black supports until 2017, when the supports were repainted yellow. As the Riddler was an archenemy of Batman, The Riddler's Revenge is located appropriately adjacent to Batman: The Ride, in the back of the park. The Riddler's signature question mark is featured on the coaster's logo. The techno music that played on the loading platform is Ecuador (Bruce Wayne Mix) by Sash! (Bruce Wayne being the secret identity of Riddler's nemesis, Batman). There is also a separate single rider entrance and queue that leads to directly to the boarding area.

The ride begins with a right turn out of the station. Once the train ascends the 156 feet (48 m) lift it goes through a small pre drop, before dropping 146 feet (45 m) on a banked left turn. It then enters the 124 feet (38 m) vertical loop which wraps around the lift hill. Two dive loops follow, the second of which also wraps around the lift hill. An inclined loop is followed by two right turns that lead up and into the mid course brake run. After dropping out of the brake run, the train immediately enters a corkscrew to the left. A series of direction and elevation changes lead into a second corkscrew, the inverted part of which is just above a portion of the queue line. The track then turns to the right and enters the final brake run before returning to the station.

The Riddler's Revenge has made four appearances on Amusement Today's annual Golden Ticket Awards top 50 steel roller coasters. It debuted on the poll in 2003 at position 41, before peaking at 38 in 2006.