Tom Clancy's Splinter Cell: Double Agent

Criteria for achievement
-10 wins as spy
-10 wins as Upsilon
-25 games total

Win-Spy
-Start game by yourself and hack 2 files.
-Have a friend go on Upsilon and commit suicide with grenades
-Wait outside friends spawn and kill him to help improve stats at the same time.

Win-Upsilon
-Start game by self and wait 20 minutes.(I do not suggest this method)
-Start with friend on the spy team and have a meeting location near his/her spawn. This also helps improve stats
-Start game with friend and if there is a high place in the level-zipline, building, etc.- have them commt suicide.