Play game Monster Underground by kiz10.com on this site available for free of cost, please share it with your friends.
About Monster Underground game:
Have fun with this action game where a monster needs your help to evolve and dominate the world! Play now and have fun with Monster Underground, a spectacular new game where an alien monster establishes itself on earth and needs your help to evolve and become one of the greatest monsters on earth !!!!
Controls:
Use the arrow keys or touch the screen to move your monster.