1080 Avalanche Gamecube Cheat

Unlock Extreme Match Race:
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To open up a hidden match race mode, "Extreme", beat
all three standard difficulty levels. Once you have
beaten Avalanche Alley: No Way Out, the Hard final
challenge, wait for the credits to finish. The extreme
course will now appear on the Match Race main screen.

Final Challenges Cheats:
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You can jump right to the timed final challenges in the
game's Match Race mode. To do so, enter the following
codes at the options screen:

Novice Final Challenge:
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Track Name: Sub-Zero Assault: Spinal Damage
Code: JAS3IKRR

Hard Final Challenge:
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Track Name: Sub-Zero Assault: Ballistic
Code: ZAUNIKFS

Expert Final Challenge:
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Track Name: Avalanche Alley: No Way Out
Code: EATFIKRM