99 Lives:
Go to the main menu. Hold R1 and press X, then press the circle circle, then L2. If done correctly, you'll hear a sound. You'll then have 99 lives.

Unlimited Lives:
Go to the training level and find the letters to spell "FLIK" to gain a bonus life. Repeat this to obtain as many lives as needed before resuming the regular game.

Bonus Level:
In the training level, do everything Mr. Soil says. Then use the abdomen bounce move on the spiders. You will then be transported to a bonus level. When you complete that, youll get three movie clips.

Level Skip:
Pause the game, press L1, L1, R2, R2, X, Circle, and then Triangle. This will skip the level for you.