1080 Avalanche cheats and cheat codes for Gamecube

Enter the following passwords:
Novice Avalanche challenge - Enter JAS3IKRR
Hard Avalanche challenge - Enter 2AUNIKFS
Expert Avalanche challenge - Enter EATFIKRM
Extreme Avalanche challenge - Enter 9AVVIKNY

8-Bit Soul board - Get 9 Time Trial Coins with Ricky. 
Backbone board - Get 9 Time Trial Coins with Tara. 
Bad Cat board - Get 9 Time Trial Coins with Akari. 
Broken Forest board - Get 5 Time Trial Coins with Rob. 
Cold Front board - Get 5 Time Trial Coins with Kemen. 
Conquest board - Get 9 Time Trial Coins with Rob. 
Crime Scene board - Get two Time Trial Coins with Tara. 
DNA board - Get 5 Time Trial Coins with Tara. 
GCN board - Get two Time Trial Coins with Rob. 
Happiness board - Get 5 Time Trial Coins with Akari. 
Mind Invasion board - Get 5 Time Trial Coins with Ricky. 
Pulse board: Get 9 Time Trial Coins with Kemen. 
Scaretactix board: Get 2 Time Trial Coins with Kemen. 
Winterborn board: Get 2 Time Trial Coins with Ricky. 
New boards: Get 18 Time Trail Coins
Once Bitten board: Get 2 Time Trial Coins with Akari. 

Old School board: Earn 6 trophies in gate challenge and reach 
high a score on each.

Power Painter board: Earn 9 trophies in gate challenge mode and 
reach high score on each.

Mr. Beake's board:
Win two trophies in gate challenge mode  and reach high score on two courses.

NST 1080 Avalanche board:
Earn 15 trophies in gate challenge mode  and reach high score on each course.


Change outfits:
Finish the hard challenge with the indicated characters:
Ricky: Frosty Winterball
Akari: Crystal Hayami
Kemen: Titanium Vazques
Rob: Bones Haywood
Tara: Mimi Le Moose

Transparent players:
Hit C-stick Down once or twice during game play