Gun Merge: Battle Defense

Merge and upgrade your turrets for a strong defense! How many waves of monsters will you destroy?
Game futures:
- Many different types of Turrets!
- Tap to merge your Turrets to build better ones.
- Auto attack without touching the screen.
- Exciting battles against Bosses!
- Intuitive gameplay, easy for anyone!
- Idle Merge game.
Fun and simple game "Gun Merge: Battle Defense", don't waste your time and install this game now, its ABSOLUTELY FREE!!!