Box art - Cut the Rope

Cut the Rope Getting the Cut Five Ropes at Once Achievement

Cut the RopeMore guides, cheats and FAQS

Got to Level 1-7. There are six ropes. Swipe across the iPhone with three fingers at once and you should sever five of them for the Achievement.
Alternate method: On 1-18, swipe two fingers straight up the sides very quickly. It may take a few tries but you can get the Achievement this way.