Merge Monster: Rainbow Defense is a free arcade game developed by Boss Level Studio for Android devices. This game features a unique concept where players can merge letters to create new monsters and use them to defend their land.

The game is easy to play. Players have to match similar letters to evolve them into stronger monsters. They can strategically arrange their alphabet army to defend their land against the enemies. The game offers a wide range of characters that players can unlock by matching them.

Merge Monster: Rainbow Defense has impressive graphics and sound effects that make the gameplay more engaging. Players can enjoy the merging battle arena and test their smart tactics. This game is a fun and addictive fusion game that you can play for hours. Download Merge Monster: Rainbow Defense now and lead your monster army to glorious victory!