FireLine: Merge Defense

Step into the ultimate defense challenge where you combine powerful defense lines to stop endless waves of enemies! To play, tap and merge your defensive units strategically across the glowing grid to increase your firepower and hold back incoming attacks. Key features include exciting upgrade paths, endless wave progression, and smooth arcade action that keeps you hooked. Protect your base from destruction, test your tactical skills, and see how long you can survive against tough foes. Jump right into the battle and play free now!