The famous mercenary Disarray must infiltrate the scientific military base, where experiments were carried out on humans and destroy the monsters that broke free and destroyed all the personnel of the base. In front of you on the screen you will see your character with a weapon in his hands. He will be located in one of the halls of the base. With the help of the control keys, you will indicate to him in which direction he will have to move. Look around carefully. A monster can attack you from any corner. You will have to quickly react to aim your weapon at him and open fire to kill. By shooting accurately, you will kill the enemy and get points for it. Do not forget to explore all around in search of caches. In them you can find weapons, ammunition and first aid kits to replenish health.