The Acme Rock-n-Rocket was added in the 2006 season as part one the ten new attractions added for the year. It was located in the Modern Section, next to the Adventure Theater, close to where the Modern Astrolift had stood. Shaped like a cartoon firecracker rocket, the ride is similar to the Conquistador. Unlike the Conquistador, however, the Rock-n-Rocket turned riders completely upside-down as it swung 84-feet in the air and around in a full 360-degree circle. The ride lasted two minutes and thirty seconds. The rocket held up to fifty-riders, for an estimated hourly capacity of 650 riders.
Both the Conquistador and the Rock-n-Rocket were manufactured by Intamin. The Rock-n-Rocket is a Looping Starship style ride. Parts for the ride were relocated from Astroworld when the park was closed. The rocket unit in which the riders sit was manufactured for Six Flags Over Texas.
The ride was removed in 2014 to make room for the Justice League: Battle for Metropolis.