Description: You control the cannon to fight alien invaders of Earth. You can rotate the cannon around its axis and control the movement of enemy. How to play:To control your cannon use the buttons:left - for rotation in left sideright - for rotation in right sideup - for rotation in updown - for rotation in downFor shooting, use the buttons: SPACE - shooting the laserCTRL - shooting the rocketsusing bonuses:to use medical kits and other bonuses - shoot at them.
