Play Merge Monster Attack free online. Friv4school 2019 and Friv 2020 game! Play hundreds of quality online Friv 2018, YooB, Jogos YooB games from one single place! Merge Attack is friv action game where you combine weapons to improve your arsenal and defend against enemy waves. Each enemy type has unique traits, requiring strategy and quick thinking to overcome as friv game gets harder.
