The territory was strictly classified, but someone leaked information and it could cost the lives of many good guys. You are a member of a group and must support comrades, and you need to think about survival. The amount of ammunition is limited, do not shoot right and left for no reason. Let each cartridge hit the target and cause maximum damage to the enemy. Use shelters, on the basis of many different buildings and structures. Do not hang out without a particular reason your task is to survive in the Deserted Base.