Here are some cheats and tips for the game Twisted Edge Extreme Snowboarding.
810829F8 07FF Have All Characters
890829F0 0700 GS Button For All Difficulties
810829FC BFFE Have All Tracks
810829B8 C350 Have 50000 Stunt Points
81082A04 0003 Have All Boards
81082A06 FFFF
81149600 0000 Low Timer
81149602 0000