1. Kingda Ka: the world's tallest and fastest roller coaster
2. Dodonpa: the highest launch acceleration, 2.7 g
3. Steel Dragon 2000: the world's longest track length, 8,133ft
4. Top Thrill Dragster: Kingda Ka's arch rival
5. Thunder Dolphin: Tokyo's most terrifying ride
6. Tower of Terror: the fastest and tallest flat ride in the world
7. Millennium Force: most G-force at one time (4.5 times Earths gravity) and the longest track in the US
