Ty The Tasmanian Tiger 2: Bush Rescue

Reveal all objects (lines form the sky):
Press Start, Start, Y, Start, Start, Y, Up, Down, Left, Right during game play.

Unlock all Level 1 Rangs:
Press Start, Start, Y, Start, Start, Y, X, B, X, B during game play.

Unlock all Level 2 Rangs:
Press Start, Start, Y, Start, Start, Y, B, X, B, Y during game play.

Unlock all Bunyip Licenses:
Press Start, Start, Y, Start, Start, Y, B, X, B, A during game play.

Get 100,000 Opals:
Press Start, Start, Y, Start, Start, Y, X, A, X, A during game play.

Restore health:
Find some water to swim in. Go under water then come back for air.
You will have full health.

Different ending:
Finish the game and reach 100&#37 rating.

Boomerang upgrades:

Zapyrang: Thunderang
Boomerang: Multirang
Flamerang: Lavarang
Frostyrang: Freezerang
Infarang: X-rang
Megarang: Omegarang
Smasherang: Kaboomerang
Lasharang: Warparang