This is the Retro version of Prior Extinction. This version is no longer supported / updated. Spend Robux at your own risk. The setting is the earth, but 65 million years ago, and it is ruled by fierce Dinosaurs with knife-long teeth and ones the size of houses! Play as countless of these different Dinosaurs, in the ever-expanding world of Prior Extinction! The journey will be tough, but it will be worth your while to survive! Bugs / issues will not be fixed, as this game isn't supported anymore.