The following are known Action Replay Codes for NBA Jam: Tournament Edition on Nintendo Game Boy / Color (GB / GBC). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Team 1 Scores 0
010079d5

Team 1 Scores 150
019679d5

Team 2 Scores 0
01007bd5

Team 2 Scores 150
01967bd5