Rescue begins. The entire building is occupied by a terrorist organization. There are men on every floor. You need to advance the helicopter from the roof down to the enemy first clear. The ammo is ready, the assault on the tower will begin at any moment! HellCopter Online,helicopter game,arcade game,shooting game,terrorist,rescue mission,3D game,action game,kid friendly,gun shooting,helicopter shooter,tower defense,reload,space shooting,mobile game