This online game delivers a full range of action experience, fusing a classic defense gameplay with action based tactics. Your mission is to lead a squad of space marines through many unique levels and survive the massive attacks of bloodthirsty robot hordes to escape the hell of abandoned planet. Use YOUR MOUSE to control everything. Use ESC KEY to close Upgrade screen or deselect unit. You can move units not only by clicking the desired square but just the leading path. Good luck!