Do you ever wonder if rainbow monsters evolve, what would they look like in 2D world? All answers are here in this fusion game!!! Are you ready to lead your monster army to glorious victory?

HOW TO PLAY
Match and upgrade letters to become the Merge Master:
- Combine similar letters to evolve
- Strategically arrange your alphabet army to defend your land
- Unlock new characters by matching them

Be wise or be a loser? It depends on your choice and your smart tactics. Try out the merging battle arena in Merge Monster: Rainbow Defense now!!