Defend Village - from enemies

This game's goal is to defend village from enemies.
Here is a place which is full of green mountains and water.
Invaders come near this village.
We must defeat these invaders.
Touch up and down arrows to move to the position where invaders come near.
Bullets are automatically fired.
We will finally defeat invaders.
Let's defend village from invaders.
Prevent invaders from comming near this village.
Let defend this village completely till the end.
We need to defeat invaders and defend this village to keep this peaceful village.
Compare your score with other's in global leaderboard.