In any case, all the films and all the games about dinosaurs are reduced to that they are dangerous, the developers of Immanitas Entertainment also has its own point of view on the problem of interplay between the modern world and ancient creatures, so you offer to sit down in the bunker until the last bullet to defend it from Dinosaurs! Plot in the game there, so you will have to guess how you ended up in the bunker and how it happened so that you are attacked by creatures extinct thousands of years ago.
That's just they have one big advantage - they really existed, though once a long time ago. Once the dinosaurs were popular, but then there were zombies and other fictional characters who flooded the gaming industry, and all about dinosaurs and forgotten.