The following are known Action Replay Codes for Nagano Winter Olympics ’98 on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

SPEED SKATING 500M, 1500M (R 2) Maximum Stamina
88138720 447A

SPEED SKATING 500M (ROUND 1) Maximum Stamina
81138724 447A

ICE SKATING 500M One Lap to Race (Note 2)
8813871F 0003
8813871B 0002

ICE SKATING 1500M One Lap to Race (Note 1)
8813871F 0003
8813871B 0002

Reset Time Close to Zero (Note 3)
81137BA6 0000