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Gamecube - Ty The Tasmanian Tiger 2: Bush Rescue cheats

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% rating. 

Boomerang upgrades:

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