Advance to next path:
Hold R1 and press Circle(2), X(2), Square(2) during game play. Note: This will not play any FMV sequences. The final level must still be played to advance to the end of the game.

View FMV sequences:
Hold R1 and press Up, Down, Left, Right, Square, Circle, Triangle, Circle, Square, Circle, Up, Down, Left, Right at the main menu.

Level select:
Hold R1 and press Down, Up, Left, Right, Triangle, Square, Circle, Triangle, Square, Circle, Down, Up, Left, Right at the main menu.

Invincibility:
Hold R1 and press Circle, Triangle, Square, X, Down(3), Circle, Triangle, Square, X during game play.

Instant voice puzzle solution:
Hold R1 and press Triangle, Up, Circle, Left, X, Down, Square, Right during game play. Select any sound to solve the game's voice puzzles.

Hint: Extra Mudokons:
After completing the Feeco executive office, enable the "Invincibility" code, then repeat that section of the game. Just go through the electric walls and have a look at the video to get back in. Every time this is done, you will receive an extra ten Mudokons. Repeat the "Invincibility" code and resume game play after collecting enough Mudokons.

Hint: Get rid of enemies that possessed easily:
To get rid of an enemy that possessed easily, start to chant again and it will explode. This is useful when you kill all enemies around and there is no other way.

Hint: More ways to chant:
You are actually able to chant if you press any combination of two shoulder buttons. Combinations can be pressed in any order. For example, R1/R2 could also be R2/R1):

R1/R2
R1/L1
R1/L2
R2/L1
R2/L2