To get an Indominus Rex, the main requirements are the following: Given all that, the Indominus Rex is an amazing dinosaur to have in your collection. The game describes the Indominus Rex as: Thi Standing around 40 feet tall while carrying the traits of various dinosaurs, the Indominus Rex is not only smart but is also agile and huge. Similar to the movie, the Indominus Rex is truly a force to be reckoned with (seeing how it was in the movie, then that shouldn’t come as a surprise). As this game is tied to the latest Jurassic World Movie this game would not be Jurassic World without the possibility of creating the Indominus Rex.