'Nightshift', the night mission in Battlefield 3, gives you a sniper rifle that allows you to unlock the 'Army of Darkness' achievement. You will need to shoot all four of the lights out without missing any shots. This Achievement Hunter video should help you out.
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.