Your task in this sharp shooting game of skill is to protect your compound from a military onslaught and shoot wave after wave of gunners, rocketeers, jeeps, and UAV's, earning money and buying weapons along the way. Survive and repair your base to advance. Use YOUR MOUSE to aim and shoot. Press "R" KEY to reload. Use "F" KEY to change firing mode. Press "V" to peak over site. Use 1, 2, 3 NUMBER KEYS to change weapon. Good luck!