This story is a sequel to My Little Pony: Collision Course

It has been 2 years since the asteroid almost destroyed Equestria and Twilight and her friends have gotten invited to a theme park by Princess Celestia that brings ancient creatures back from Equestria's past and they are in for quite a ride. But, things take a deadly turn when a genetically modified monster ravages the park, causing all hell to break loose. Will they survive, or die trying? It's an epic adventure 65 million years in the making.