Cheat: Force All Hidden Objects
During the game, press L, R, L, R, Y, Y, X, B, B, X, Z, Z. This shows all items with a nasty glow.

Cheat: Get Swimming And More
During the game, enter L, R, L, R, Y, Y, B, B, Y, B.

Cheat: Techno-Bang
Press L, R, L, R, Y, Y, Y, B, Y, B during the game to get some technorangs.

Cheat: Unlimited Health
During the main menu, press L, R, L, R, Y, Y, Y, Y, X, X.

Cheat: Unlock Art Gallery
In the game, do not press pause, press L, R, L, R, Y, Y, A, A, Z, B, Z, B. It will take a while to get it correct, but when it goes through you should here a chime.

Unlockable: Extra Level
Beat the game and collect all Opals, Eggs and Cogs to unlock a bonus level and second ending to the game.

Unlockable: Movies
At the main menu, press L, R, L, R, Y, Y, A, A, Z, B, Z, B.

Hint: Restore Health
If you're low on health, dive into the water and resurface--you'll emerge with full health.