Merge Defense 3D is a fresh take on the tower defense genre—combining strategic placement, smart merging mechanics, and fast-paced wave combat into a single addictive experience. Build your defense, merge your towers, and protect your base from relentless enemy waves. Build. Merge. Dominate.

Start by placing basic towers on field. Merge two identical towers to evolve them into powerful new forms with higher damage, faster attack speed. Master your merge strategy to unlock unstoppable defenses.

Survive Challenging Waves
Every wave pushes your strategy further!
Earn, Upgrade & Progress

Defeat enemies to earn Gold, buy new towers, and strengthen your army.

Play through handcrafted Endless Mode!
Stop the invasion and become the master of merge strategy!