My Rocky Mountain List Current coasters Goliath (#2087) Six Flags Great America 2014, Wood Iron Rattler (#1906) Six Flags Fiesta Texas 2013, Steel Joker (#2244) Six Flags Discovery Kingdom 2016, Steel Medusa Steel Coaster (#2106) Six Flags Mexico 2014, Steel New Texas Giant (#1907) Six Flags Over Texas 2011, Steel Outlaw Run (#1911) Silver Dollar City 2013, Wood Storm Chaser (#2264) Kentucky Kingdom 2016, Steel Twisted Colossus (#2241) Six Flags Magic Mountain 2015, Steel Twisted Cyclone (#2496) Six Flags Over Georgia 2018, Steel Wicked Cyclone (#2275) Six Flags New England 2015, Steel Wildfire (#2276) Kolmården 2016, Wood Wonder Woman (#2493) Six Flags Fiesta Texas 2018, Steel