Twin Mill II is based off of the hugely popular casting from 1969, Twin Mill, Design By Bruce Baur and also predecessor of Twin Mill III design by Josh Henson, Twin Mill II is also a 25th Anniversary casting of the original Twin Mill Twin Mill II is playable in Hot Wheels: Turbo Racing, Hot Wheels Burning Rubber (GBA) and Velocity X. This casting was retired in 2006 and a follow-up casting, Twin Mill III , was released in 2008.