The following are known Action Replay Codes for Mario Tennis 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

P1 Quick Win
9107e2c8

P1 Never Wins
9100e2c8

P2 Quick Win
9107e3c8

P2 Never Wins
9100e3c8

Max Score Mini Games
91637cc4

Fast Stats Gain Alex and Nina
910118c9

Fast Stats Gain Harry and Kate
910158c9

These codes have been collected from around the web and all credit goes to the original poster of the code. Notes associated with any code may be written by the original code creator. Some notes have been added or modified from their original source.

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.

Code Indexes for Nintendo Game Boy / Color (GB / GBC)

• Action Replay Code Index for Nintendo Game Boy / Color (GB / GBC)
• GameShark Code Index for Nintendo Game Boy / Color (GB / GBC)
• Game Genie Code Index for Nintendo Game Boy / Color (GB / GBC)

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