Sam Fisher is back and boy is he mad! The man, as well as the iconic goggles, are back in Splinter Cell: Conviction for the PS3 and Xbox 360. Aside from the original story mode, the game also offers a bunch of great P.E.C. challenges that are sure to keep gamers busy. Some of these challenges are easy to complete, while others are extremely difficult and require great skill to complete. So in this helpful tutorial from the people at IGN, you'll find out how to rule the challenges using some helpful tips. Enjoy!