The entire concept of this game is this: kill everyone. There are no alternatives. You are bunkered down behind some sandbags and your only option is to shoot everything that moves. With the aid of an M-60 machine gun, cannon, vulcan machine gun, AA gun, some missiles, and a personal side arm, you are tasked to defend your fortification.
The enemies you'll face along the way include troops, helicopters, planes, and tanks. Each gun you have has different effects on different enemies. There is a limited amount of ammo, so it's up to you to decide who deserves a bullet and who warrants a missile.
Levels in Beach Head 2002 aren't ordinary levels. They're more like Pac Man levels with much less variety. Each level has a certain amount of enemies, and after you kill all of them, you go to the next level with more enemies, and after you kill all of them, you go to the next level with more enemies, and after you kill all of them ... .