Load up the tank and get in, you have a mission in area 51. Get the scientist to the heart of the covert base of operations . They will be traveling incognito and you have to defend their response vehicle from the security detail. Earn big cash and upgrade your vehicle in this heart pounding side scrolling adventure. Keep your eyes out for cash and more importantly fuel. There seems to be a shortage. Don't stop, just keep your armored tank rolling and the fuel cans will auto refuel you.