Sky Wolf (Battle

Control your helicopter to destroy hordes of enemies.
Reinforcement system allows you to enhance the power of missiles and bullets to destroy enemies easily.
Strengthen the helicopter's armor to protect it from enemy shells.
Defend yourself by upgrading shells and armor with Reinforced Gems, which are randomly dropped when you defeat an enemy.
Create your strongest helicopter using reinforcement.
Engage in 1:1 or 2:2 real-time multiplayer battles.