Co-Op in this game is 3 pre-set scenarios where up to 4 people can team up to complete an objective. The scenarios have their own story, and each one takes about 20 minutes to complete.
You are Turok, a member of the special forces squad Whiskey Company, in this epic first-person shooter set on a dark, mysterious planet in the future. Use your elite military training to elude an army of soldiers, the ravenous, unpredictable dinosaurs, and other massive creatures that populate this dangerous environment. Good luck, soldier! [Xbox.com]