The following are known Action Replay Codes for Twisted Edge Extreme Snowboarding on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Extra Boards
81082a040003
81082a06ffff

Extra Characters
810829f807ff

Extra Difficulties
810829f00700

Extra Tracks
810829fcbffe

Have 50000 Stunt Points
810829b8c350

Low Timer
811496000000
811496020000