Pause the game and highlight the Exit option. Then, hold L2 and press Down, Right, Up, Down, Right, Left, Right, Down, Down.

Gex Quotes

Pause the game and highlight the Exit option. After that, hold L2 and press Triangle, Left, Circle, Up, Down. Now unpause the game and press Select to make Gex say a comment.

Best ending

Enter the following password to start with all remotes and bonuses collected:

R1, R2, X, L2, Square
X, Square, R2, R2, R2, X
L2, Square,X, R2, Square, L2
R2, X, L2, Square, X, R2
Square, L2, R2, X, Square

Infinite Lives

Pause and highlight the Exit option. Then, hold L2 and press Up, Up, Down, Right, Triangle, Down.

Invincibility

Pause and highlight Exit option. Next, hold L2 and press Left, Right, Triangle, Down, Right, Left.

Level Select

Pause and highlight Exit. Then, hold L2 and press Right, Right, Left, Right, Triangle, Down, Right. Next, un-pause and press select.