1080° Avalanche Cheat Codes for Gamecube

Unlock NST 1080 Avalanche Board
Get all 18 trophies in gate challenge mode and you will the rocket board. To use it, choose any mode and press z at the board selection screen. Press L during the race and enjoy.

NOTE: This may only be done after you beat expert
submitted by: HeWhoKnowsAll

Unlock Extreme Match Race
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.

Earn New Costumes
To get an alternate costume for your character, finish the Hard Match Race. You will only unlock a new outfit for the character you used to beat the mode.

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

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

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

Broken Forest board
Get five Time Trial Coins as Rob.

Cold Front board
Get five Time Trial Coins as Kemen.

Conquest board
Get nine Time Trial Coins as Rob.

Crime Scene board
Get two Time Trial Coins as Tara.

DNA board
Get five Time Trial Coins as Tara.

GCN board
Get two Time Trial Coins as Rob.

Happiness board
Get five Time Trial Coins as Akari.

Mind Invasion board
Get five Time Trial Coins as Ricky.

Mr. Beake's board
Win two trophies in gate challenge mode by besting the high score on two courses.

NST 1080 Avalanche board
Win fifteen trophies in gate challenge mode by besting the high score on fifteen courses.

Old School board
Win six trophies in gate challenge mode by besting the high score on six courses.

Once Bitten board
Get two Time Trial Coins as Akari.

Power Painter board
Win nine trophies in gate challenge mode by besting the high score on nine courses.

Pulse board
Get nine Time Trial Coins as Kemen.

Scaretactix board
Get two Time Trial Coins as Kemen.

Winterborn board
Get two Time Trial Coins as Ricky.

Alternate boards
Get eighteen Time Trail Coins to unlock alternate designs for the regular boards.

Alternate costumes
Successfully complete the hard challenge to unlock the corresponding alternate costume for your current character.

Ricky: Frosty Winterball (snowman)
Akari: Crystal Hayami
Kemen: Titanium Vazques
Rob: Bones Haywood (pirate skeleton)
Tara: Mimi Le Moose (moose)
After completing expert mode on match race you get new a costume for that person and also unlock extreme mode.