Mario Robo Adventure (Unhacked Version)

Game Information
Bowser army are attacking mario on the sky using their space ship. In order to fight back enemy, mario
would have to ride on his fighting robo. Help mario use the robo fighting power to shoot down all the enemy
ships.

use wasd or arrow to move and mouse to shoot.collect stars to level up and each level would grant you upgrade points
that can be used to upgrade robo fighting capacity.