Kraken is SeaWorld Orlando's intense floorless steel coaster. First opened on June 1, 2000, this attraction features a height of 153 feet tall and a top speed of 65 miles per hour. Kraken also features 7 intense inversions, including two vertical loops, a dive loop and a spiraling camelback.

Opened April 22, 1978, Shock Wave is a classic Schwarzkopf steel roller coaster at Six Flags Over Texas. Standing 116 feet tall and reaching speeds of 60 miles per hour, Shock Wave was the tallest and fastest roller coaster in the world when opened. The attraction also features back-to-back loops with a staggering 5.9 Gs. Shock Wave also features plenty of air time moments.