Merge Rainbow: 3D Run is an addictive game in which you play as a character that has the power to merge different types of monsters. The more you merge, the more powerful you become. Use your power to defeat all of your enemies and pass the level. The game will be more challenging as you go on.

The amazing monsters are not your only ally. If you get tired of playing alone, you can team up with other players and fight together. There are a variety of different teams, and you will have the ability to switch between them at any time.