Aliens attacked the earth and enslave humanity, only you, in the person of the commander-in-chief of the "STAR POLICE" department, can resist the alien threat. STAR POLICE is the classic defense of your base. Defend your base and earn money. Hordes of enemies will try to break through the defenses. Give them a hard fight. Defend the approaches to your base, withstand several attacks using 10 types of cool weapons with the possibility of their upgrades.