枪防御 2

Defence your base to shoot zombies!
This game "Gun Defense 2" is to shoot zombies and defense your base.
The manner of operation is easy.
When you shoot the left side of zombie, you push the left side of button. When you shoot the right side of zombie, you push the right side of button.
Shooting many zombies makes your score and levels go up.
"Gun Defense 2" has international and domestic ranking. Can you put your name on the leaderboard ...