From the back of the game box
The energy base is being fiercely attacked by 4 or 5 vicious phantom tanks. You, driving the only armored car of the base, are fighting back vigorously for ultimate victory.
Taking the walls as defense, both sides begin street battle. The phantom tanks are finally extinguished by your vigorous fires.
On the second round, you and the enemy are confronting each other and both sides of the river. There are two bridges across the river, you must destroy the phantom takes the moment they move onto the bridge or block their attack by moving your armored car across the river.
The decisive battle is taken on the Prairie. The enemy, with their five tanks at the same time, are attacking the base of vigorously. You had to fire quickly and accurately to destroy them.