Monsters and aliens have invaded and protect your arena by teaming up. Take the surviving squad. Your goal is to merge their features to get more stronger and kill all coming monsters.
Undead creatures are in the game and the endless waves are waiting for you. Fight for your life and create a name in this world.

Easy to play and immersive tower defense feeling. Use your strategies to defense your area. Download the merge defense guard now and become a true legendary agent.