Debug Menu
                   At the Naughty Dog logo, hold Up + X until the title
                   screen appears. Then hold Left and press Square,
                   Circle, Square, Start. Now while playing a game,
                   pause and press Down, X(26), Down. If you entered
                   the code correctly, you will hear the sound of a
                   snort. The game will resume. Push Select to
                   display
                   a debug menu.
Passwords
                   Complete Password
                   2% Circle, Square, Circle, Square, Circle, Circle,
                   Triangle, Square
                   6% Circle, X, Square, Triangle, Circle, Square,
                   Square, Triangle
                   11% Square, Square, X, Square, Square, Triangle,
                   X, Triangle
                   13% X, Square, X, Circle, X, Square, Triangle, X
                   18% Square, Square, Triangle, X, Circle, Circle, X,
                   Triangle
                   22% Circle, Square, Square, Circle, Circle, X, X, X
                   27% X, Circle, X, Circle, Circle, X, Square, Circle
                   31% Square, X, Triangle, Triangle, X, Square, X,
                   Triangle
                   36% X, Circle, Circle, Circle, X, Square, X, Square
                   38% Square, Square, X, Triangle, X, Square, Circle,
                   X
                   Triangle, Triangle, Circle, X, X, Square, Square,
                   Circle
                   52% Square, Triangle, Triangle, X, X, Circle, Circle,
                   Square
                   Circle, Square, Triangle, Square, X, X, X, Circle

Access to the entire game - 100% levels
                   completed:
 

                   T= Triangle
                   S= Square
                   O= Circle
                   X= X

                   TTTTXSTT
                   TTSXTOTT
                   TOSTXXXX