The Lord of the Rings: Fellowship of the Ring

Pause game play, then hold L1 + L2 + R1+ R2 and press:
Triangle, Down, X, Up              - Restore health
X, Down, Triangle, Up              - Restore ammunition
X, Down(3)                         - Add 1000 experience points
Circle, Right, Circle, Right       - Level 2 skills
Triangle, Up, Triangle, Up         - Level 4 skills
Square, Left, Square, Left         - Level 6 skills
X(2), Down(2)                      - Level 8 skills
Triangle, Square, X, Circle        - Invincibility
Square, Circle, X, Triangle        - Unlimited missile weapons
Square(2), Circle(2)               - Devastating attacks
Triangle, Circle, Triangle, Circle - All combo upgrades
Triangle(2), X(2)                  - Small enemies
Triangle, Circle, X, Square        - Slow motion
Triangle, Square, X, Circle        - Invincibility
Square(2), Circle(2)               - Devastating attacks

 