From Wikipedia: Sea Monsters: A Prehistoric Adventure was made into a game by DSI Games and published by Zoo Digital Publishing. It was released on the Wii, PlayStation 2, and Nintendo DS on October 25, 2007. Players can control Thalassomedon, Henodus, Temnodontosaurus, Tylosaurus, Dolichorhynchops and Nothosaurus in an open-world setting, with no fixed goal besides collecting all the hidden fossils.