Splinter Cell: Chaos Theory – Cheats & Tips

Here are some cheats and tips for the game Splinter Cell: Chaos Theory.

All missions:
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. 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).