99 Lives
     Pause  gameplay  and  press Right, Left, Right, Left, Up, Up, Up,
Up, Circle.

Extra Hit Point
     Pause  gameplay  and  press  Circle,  R1, Circle, L1, Circle, R2,
Circle, L2, Circle.

Sparx Treasure-Finding
     Pause  gameplay and press Right, Right, Left, Left, Right, Right,
Left, Left, Circle, Circle, Circle.

Change Spyro's Color
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, then press Triangle, Square, X,
Circle, Up or Down.

Flat Spyro
     Pause  gameplay  and  press Left, Right, Left, Right, L1, R1, L1,
R1, Square, Circle.

Big Head
     Pause  gameplay and press Up, R1, Up, R1, Up, R1, Circle, Circle,
Circle, Circle.

Play Credits
     Pause  gameplay  and press Left, Right, Left, Right, Left, Right,
Square, Circle, Square, Circle, Square, Circle.

Easier Difficulty
     Pause  gameplay  and  press  Circle,  Square, Right, Left, Right,
Square, Circle, X.

Harder Difficulty
     Pause  gameplay  and  press  Circle,  Square, Right, Left, Right,
Square, Circle, Square.

Squid Skateboard
     Pause  gameplay and press Up, Up, Left, Left, Right, Right, Down,
Down, Circle, Square.

Crash Bash Demo
     At the Title screen, hold L1 + R2 and press Square.

Green Spyro
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, Triangle.

Purple Spyro
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, Square.

Blue Spryo
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, X.

Red Spryo
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, Circle.

Yellow Spyro
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, Up.

Black Spyro
     Pause  gameplay  and press Up, Left, Down, Right, Up, Square, R1,
R2, L1, L2, Up, Right, Down, Left, Up, Down.