You are the pilot of a helicopter and your mission is to explore five levels to find parts to help build a supply base on each level. Trying to stop you are various vehicles that will bomb and shoot at you, but you have a gun to fight back with. Touch an enemy, get shot or bombed, or land too quickly on the ground and you lose one of five lives. Lose them all and it's game over.
Front Line is a vertically scrolling action game. Your mission is to infiltrate enemy territory and destroy their fortress. To reach the fortress, you will have to make your way through varied and dangerous terrain. Jungles, deserts, brush, and rocks all slow your progress, plus each area has numerous enemy fighters and tanks trying to stop you. To help get past these obstacles, you are armed with a machine gun and grenades; at some points in the game you may even come across an abandoned tank which you can control to increase your odds of survival. When you reach the end of the level and successfully destroy the fortress, the game will repeat at a higher level of difficulty. Gameplay is for one or two players, and four different skill levels are available.
Centopeia is a shooter game where you are the operator of the earth's defense bases, with the mission of frustrating the attack of the terrible fleet of space centipedes that want to conquer our planet.