Splinter Cell: Chaos Theory

Playstation 2

Get Every Coop Mission:
At the Main Menu, hold all the Trigger buttons and press Square 5 times, then Circle 5 times. You wil get a confirmation sound.

Get Every Normal Mission:
At the menu screen after signing into your profile, hold all the Trigger buttons and press Square 5 times, then Circle 5 times.

Thanks to Revolution readers disarm and Harry!