Step into the intense action-packed world of FireLine: Merge Defense, where strategy and quick thinking are your greatest weapons. Prepare to unlock a diverse arsenal of guns, each with unique abilities and enhancements that will elevate your gameplay. As you progress, you can merge these weapons to upgrade your cannon, ensuring you're well-equipped to face the formidable challenges that lie ahead.

In this gripping defense game, you find yourself at the helm of a tactical position, tasked with defending against relentless waves of enemy cubes and intimidating bosses that grow stronger with each passing round. Use your strategic skills to foresee enemy patterns and choose the best upgrades for your weaponry, allowing you to outsmart and outgun your foes.

Combining weapons not only enhances your firepower but also fosters creativity in your approach to defense. Each upgrade brings new capabilities, allowing for a more dynamic gameplay experience. As you fend off these dangerous waves, harness your tactical knowledge to maneuver your cannon and position it for maximum efficiency. With each successful defense, you�ll climb the ranks, faced with even tougher opponents and more complex strategies.

How to play free FireLine: Merge Defense game online

To play FireLine: Merge Defense, simply drag and drop your guns to merge them and create upgrades. Position your cannon strategically to target incoming waves of enemies. Keep an eye on the battlefield to anticipate attacks and utilize your upgraded arsenal to defeat powerful bosses and survive each challenging wave.