Shoot down the enemies with a handgun or sniper rifle. Don't let any of them get away as you move onto new levels. Note: It takes awhile to load from blank white screen.
Your base is under attack by enemy soldiers and your job is to defend it with everything you got! Can you hold down the enemies and defend the fort until the 19th day has passed?
As the first line of defense, you must bring down everything in front of you to ensure victory. You have been equipped with four guns, including an anti-aircraft gun to assist you in trouble.