All Levels
To play as the lead ringwraith for all levels pause the game and Hold down l1,l2,r1,r2 and press x,x,x,o,triangle,triangle,down,down,up a sound can be heard on correct entry.

Legolas Level Up [Submitted by: Matt]
In 2-player,pause the game, hold down L1, L2, R1, and R2 and press X, circle, trianle, square and legolas will grow up a level.

Unlock Four-Hit Combo For Aragorn
Pause the game and hold all four shoulder buttons. Then press UP, SQUARE, TRIANGLE, DOWN.

Invincibility:
Pause game play, then hold L1 + L2 + R1 + R2 and press Square, Circle, Square, Up. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Full health:
Pause game play, then hold L1 + L2 + R1 + R2 and press Square(2), Circle(2). A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Unlimited missile weapons:
Pause game play, then hold L1 + L2 + R1 + R2 and press Square(2), Down, Circle. A sound will confirm correct code entry.

Perfect mode:
Pause game play, then hold L1 + L2 + R1 + R2 and press Circle, Down, Triangle, X. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

All attack upgrades:
Pause game play, then hold L1 + L2 + R1 + R2 and press Up, Down, Triangle, Square. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Always devastating:
Pause game play, then hold L1 + L2 + R1 + R2 and press Triangle, Up, Triangle, Down. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Target indicator:
Pause game play, then hold L1 + L2 + R1 + R2 and press Down, Circle, Up, Square. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Play as Faramir:
Pause game play, then hold L1 + L2 + R1 + R2 and press X(2), Triangle(2). Note: The game must be completed first before this code can be enabled.

Play as Frodo:
Pause game play, then hold L1 + L2 + R1 + R2 and press Triangle, Circle(3). A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Play as Merry:
Pause game play, then hold L1 + L2 + R1 + R2 and press X, Down(2), X. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Play as Pippin:
Pause game play, then hold L1 + L2 + R1 + R2 and press Triangle, Circle, Square, Down. A sound will confirm correct code entry. Note: The game must be completed first before this code can be enabled.

Share experience co-operatively:
Pause game play, then hold L1 + L2 + R1 + R2 and press Down, X(3). A sound will confirm correct code entry. All experience gained by you in co-operative mode will be shared with your partner.

Share health co-operatively:
Pause game play, then hold L1 + L2 + R1 + R2 and press Triangle, Up, Square(2). A sound will confirm correct code entry. All health gained by you in co-operative mode will be shared with your partner.

The Simpson's Hit & Run,

Various Cheats
In the options menu hold L1+R1 and enter the following:

Triangle, Triangle, Square, Square - Blow up vehicles in one hit
Square, Square, Square, Square - Faster cars
Triangle, Triangle, Triangle, Triangle - Fastest cars
Triangle, X, Triangle, X - Infinite car health
Square, Square, Square, Triangle - Press horn to do a huge leap in your car
Circle, Circle, Circle, X - More camera angles
Circle, X, Circle, Triangle - Grid mode
X, Circle, X, Circle - All reward Cars
X, Square, Square, Triangle - Credits
Triangle, Triangle, Circle, Square - Speedometer display
Circle, Circle, Triangle, Square - Red Brick Car
Triangle, Circle, Triangle, Circle - Tripping mode

Urbz: Sims in the City

Reveals Cheat Gnome

Once you put this in it opens the Gnome up and then put in a code.

Circle + L1 + L2 + R2 +R1

Now you can put in all of these other cheats!

Beefcake-Max. Physical Skills:L1 + R1 + Down + X + L3

Braniac-Max. Mental Skills:L1 + R1 + X + Circle + Up

Art Damaged-Max Art Skill:L3 + R3 + R1 + R2 + Circle

Power Hunger:Triangle + R2 + L1 + X + Square

See team photo : At the credits screen press Up, Down, Circle, Up, Down