lol, Theres a glitch in the first level with the death slug, If you click the green slime that the pig was eating you take the mouse trap and put it there lol then you move the purple guy into the barrel then get the weapon and you can see the mouse trap!!
lol just get the chain saw and You can get the sniper badge by aiming at there head but make sure blood comes out of their head or they won't be head shots!........OPTIC GAMING CHECK US OUT ON YOUTUBE