Merge Superhero Monster Attack is a free arcade game for Android 9.0 developed by Game4u Studio. The game is set in a world where Rainbow Monsters are destroying everything in their path, and you have to summon your super squad to fight and protect the Earth from their attack.

The game consists of three kinds of heroes with different skill sets, and you have to choose and arrange them wisely to gain advantages. You can match two similar heroes to unlock new mighty warriors and earn coins after each level to add more soldiers to your team. You also have to upgrade the gun machine to give you an edge in battles.

Merge Superhero Monster Attack is a fun and easy-to-play game for gamers of all ages, with eye-catching 3D graphics and various cool superheroes to collect in your squad. Download Merge Superhero Monster Attack now and join the fight to protect innocent citizens from the monster waves.