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Mordecai and Rigby are having a monster Marathon, while wearing special 3-D glasses. Now, they have entered a world in which they themselves are the ones controlling the monsters! Help them in defeating their friends and enemies' monsters!
Select a character from the menu and start fighting!
Use the arrow keys to move around, and to jump up and crouch.
Use 'Z' to punch, and 'X' to kick.
Use 'C' plus arrow key for special moves!