A Bug's Life Codes -

Level skip:
Pause game play and press L1(2), R2(2), X, Circle, Triangle. Alternately, press L1(2), R2(2), X, Circle, Triangle at the main menu.

Unlimited lives:
Return to 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.

Hidden training level:
Begin game play in the training level and finish all of Mr. Soil's objectives. Then, bounce on all the spiders to kill them to reach a hidden level. Complete this new level to view three FMV sequences.