Snow Brothers
Books: Nintendo Games Secrets - The Best of How to Win at Nintendo Games
SXNEUYVI Infinite number of chances
PAXXPLZE Start game with 10 chances instead of 3 (count starts at 9 instead of 2)
AAXXPLZA Start game with 1 chance (count starts at 0)
PAOAYLZE Always get 10 chances after a continue (count restarts at 9)
AAOAYLZA Always get 1 chance after a continue (count restarts at 0)
OUOOGEOO Don't lose super ability after you lose a chance
YAEEYAAE Start with Speed Skates, Power Shots and super snow-throwing
Don't use the last three codes together.
PAEEYAAA Start with Speed Skates
ZAEEYAAA Start with Power Shots
GAEEYAAA Start with super snow-throwing ability