checked-no =>Bonus Characters: To get King 10, find and kill him in level 7 and complete the mission. For Stingray, do the same in level 7. =>Super Choppers: On the main menu screen, hold [L]+[R]+Z and press [START]. =>Jumping President: Press Z+cU+cD and launch a homing cluster, and if it hits your opponent the president will hop out of the plane. =>Stage Select: On the start screen, press cUx7. =>Bonus Weapon/Level: Play through the game on the expert setting, and after level 7 you will be able to fight on the moon and buy the alien weapon, homing plasma. =>Rotate Copter: On the helicopter selection screen, press [L]. On the new copter stats screen use the STICK to rotate the helicopter. =>Boss Trick: When fighting the large green plane boss of level 6, try to fly underneath and shoot the large green missiles upwards for an easier kill. =>Cheat Menu: When Press Start appears on the title screen, hold Z and press R L U D A B [START].