Top Thrill Dragster the world overtaking both world records from Steel Dragon 2000 at Nagashima Spa Land that was just built three years earlier. It lost the title of being the world's tallest and fastest roller coaster when Kingda Ka at Six Flags Great Adventure opened in May 2005. Intamin designed both Kingda Ka and Top Thrill Dragster, and the two share a similar design and layout that differs primarily by the theme and the additional hill featured on Kingda Ka. The ride had constant downtime in its first couple seasons. Several problems such as the ride's hydraulic system and launch cable caused
Kingda Ka into the existing structure which was also built by Intamin. Kingda Ka closed at the start of the 2014 season in order to construct Zumanjaro: Drop of Doom on to Kingda Ka. Kingda Ka reopened on weekends on Memorial Day Weekend and fully reopened when Zumanjaro: Drop of Doom was completed on July 4, 2014. Kingda Ka's layout and experience is nearly identical to that of Top Thrill Dragster. After the train has been locked and checked, it moves slowly out of the station to the launch area. It passes through a switch track, which allows four trains (on two