Splinter Cell: Chaos Theory
Get Every Coop Mission:
As your profile name, enter: COOPA22COOL
Get 100% Completion Without Trying:
If you are in a mission and you leave it on for about 12 hours and then pass it you will have 100% level completion even if you didn't do your bonus or extra objectives, also alarms won't make a difference.
Thanks to Revolution readers morpheus and Julian Hernandez!