Dinosaur Hunting Multiplayer

Hunting dinosaurs it's a free multiplayer online game whose goal is to protect primates of dangerous dinosaurs who walk from one place to another in Jurassic, Cretaceous and Triassic era.
You have to keep alive primate who will be attacked for dangerous dinosaurs (T-Rex, Spinosaurus, Raptor, Triceratops, Brachiosaurus, Pteranodon, Stegosaurus, Dimetrodon, Paradophosaurus, ...).
You need another online cooperative player to help you to get the target. Points are shared for both.
You will have many weapons, ammi and bullets to use for preserving primates alive. And you will have to keep you alive alone yourself.
It's a realistic game in 3D with free moving and stereo sound. 
You will have missions with different difficult levels.
You will feel danger and responsibility for your life and that of others at all times.
This is a free game.

NOTE : animals are from different eras but it is a fantastic game.