Helix is a steel roller coaster located at Liseberg in Gothenburg, Sweden. The ride, built by Mack Rides, features two linear synchronous motor launches and has a top speed of 100 km/h. It features a 41-metre-tall (135 ft) dual-launch helix. The ride opened on 26 April 2014, Liseberg's opening date for the 2014 season. Helix is the first roller coaster in the world that has a 1-on-1 replica virtual reality experience. This experience is created by ArchiVision, a Dutch 3D studio. During the first two weeks after the premiere visitors could experience the virtual reality replica next to the roller coaster's entrance.