2014, Six Flags announced the Rocky Mountain Construction conversion of Colossus into Twisted Colossus. Twisted Colossus opened on May 23, 2015. On September 3, 2015, Six Flags announced the renovation of Revolution with a new paint scheme, upgraded lighting, and new train eliminating the controversial over-the-shoulder restraints that had been the source of the ride's spotty reputation for much of its life. Named "The New Revolution," the roller coaster reopened on April 21, 2016. On September 1, 2016, the park announced Justice League: Battle for Metropolis to open in 2017. The 4D shooting dark ride is nearly identical to the six other installations located at Six Flags parks around North America. The ride opened on July 12, 2017 and is located in the Metropolis section near The Riddler's Revenge. On August 29, 2017, Six Flags announced the addition of a Zamperla Giga Discovery flat ride to be built in a newly renovated Boardwalk Beach area near DC Universe. Marketed as "the world's tallest pendulum ride", CraZanity takes riders to a height of 172 feet (52.4 m) and speeds up to 75 mph (120.7 kmh). On August 29, 2018, the park announced the brand new racing launch coaster West Coast Racers from Premier Rides and a revamp of the old Cyclone Bay area into a high-energy, urban Los Angeles. The ride itself is dubbed the first launched racing coaster in the world and the first quadruple launched coaster, even though the existing Fiorano GT Challenge holds these records. The Möbius loop coaster officially opened to the public on January 9, 2020, and became the 19th coaster at the park. On March 24, 2019, the park announced that Green Lantern: First Flight would permanently close and be removed from the park which no longer makes West Coast Racers the park's 20th coaster. On March 13, 2020, the park closed due to the COVID-19 pandemic. The theme park reopened on April 1, 2021, with Members and Passholders being granted access on April 1 and 2, with the general public being admitted to the park on April 3. As of August 2021, Six Flags Magic Mountain visitors are no longer required to wear masks outdoors. On October 21, 2021, the park announced Wonder Woman Flight of Courage, the world's tallest and fastest single rail coaster, to open in summer 2022. The ride is an I-Box Raptor coaster built by Rocky Mountain Construction. Starting November