Coloring Book 2: Dinosaurs 4.22.68 is a game designed for children which lets them have fun by colouring in drawings of dinosaurs. There is a wide catalogue of more than 50 of these enormous prehistoric animals: Dilophosaurus, Diplodocus, Dryosaurus, Dryptosaurus, Euoplocephalus, Gallimimus, Hylaesaurus, Hypsilophodon, Iguanodon, etc.