A war has started and the modernized Green Beret armies are attacking the castle. Protect the castle by shooting down the Green Beret forces and the air supplies to gain more experience to earn new weapons.
John, you're back into action! A druglord from New York has taken control of important mexican top-secret documents and he's blackmailing the mexican government in exchange of military weapons. Eliminate all resistance and get those documents back!
Configure your Mech and go to battle! Collect the special diamonds discovered on Mars and bring them back to base. Watch out for evil aliens or better yet, blast them back to where they came from!