The Boss is a wooden roller coaster located in the Britannia section of Six Flags St. Louis in Eureka, Missouri. It opened on April 29, 2000, and was manufactured by Custom Coasters International. It features a lift hill height of 122 feet (37 m) and a first drop of 150 feet (46 m). Prior to the 2018 season, it also featured a 570-degree helix.

Storm Chaser is a steel roller coaster located at Kentucky Kingdom in Louisville, Kentucky, United States. Designed by Alan Schilke and manufactured by Rocky Mountain Construction (RMC) at an estimated cost of $10 million, the ride opened to the public on April 30, 2016. It features three inversions, a 78-degree drop, and a maximum speed of 52 mph (84 km/h) utilizing RMC's patented I-Box track technology.