2,986,413 views Jan 15, 2019 The first weapon you get in Fallout 3 is the BB Gun. And very quickly you discover how useless it is. Even a Radroach, the weakest and most pathetic of all the enemies in Fallout 3 may take 2 or more shots to kill. Early on, most people rely on the 10mm Pistol Amata gives you when she wakes you up. But what if all you had was that BB Gun? Can You Beat Fallout 3 With Only A BB Gun?