Splinter Cell: Chaos Theory,Splinter Cell: Chaos TheoryMore guides, cheats and FAQS
R1, R2, X, Circle, Triangle,L2,L1,Square, Circle
X, X, Circle, Circle, L1, R2, L3, Square, Triangle
Hold L1 + L2 + R1 + R2 at the main menu and press Square(5), Circle(5). A sound will confirm correct code entry. All co-op missions will be unlocked. Note: The same code also works for regular missions. After signing into your profile, on the menu screen hold L1 + L2 + R1 + R2 and press Square(5), Circle(5).