need4freegames.com

Unlock All Characters
R1, R2, X, Left, Right, Square(4), L1, Square, Triangle, Circle.

Free Mode
L1, R1, Left(6), L2, Up, Triangle(2), Right.

Challenge Mode
L2, R2, Triangle, Right, Left, Up(2), Left, R2(3), Circle.

Two Players In Story Mode
At the title screen, press L1, R2, Circle, Circle, Triangle, L2, R1, Circle, Triangle, Circle.

All Concept Art
At the controller setup screen, press Down(3), Up, Down, Up, Left(2).

All Landmarks
At the controller setup screen, press Up, Right, Down, Left, Down, Up, Right, Left.

All Comic Covers
At the controller setup screen, press Left(2), Right, Left, Up, Left(2), Down.

All Characters
At the controller setup screen, press Right, Down, Right, Down, Left, Up, Left, Right.

Unlock All Levels
At the controller setup press Up, Down, R1, L2, Circle, Triangle, Square, Left, Right.

Invicible
Go to the controller setup screen and press right, down, left, up, left, down, up.

Unlock All Costumes
Go to the controller setup screen and press up, left, up, right, down, left.