The monster has stolen a rare powerful weapon from the underground museum. Now your mission is to find the monster and recapture the weapon back! This is not easy, but it is an exciting adventurous trip and challenge. Here you can play Mario vs Monsters game and watch its walkthrough for free in friv20.org. Mario vs Monsters is an amazing game from our list of Friv 20 games.

Use WASD button/Use Arrow keys button to Move, Use Mouse button to Aim/Shoot,

action..