This game is also available on N64.
Retro Game Cheats for Mario Tennis (Gameboy)
Effect: Gold/Silver Racket
When:
Once you have Iron Racket
How:
Go to Lake by Training Court, tell the guy his swing is rubbish and press A 100 times for Silver and 150 for Gold racket.
Submitted By:
Unknown
Effect: gets you a large racket
When:
during the game
How:
Beat The Junior Champion Then Go To The Repair Countor At The Training Center. You Should Get Your Large Racket There
Submitted By:
Unknown
Effect: Unlocks Warehouse Court
When:
Throughout the game
How:
Beat All Of The Other Mario Characters As A Mario Character
Submitted By:
Effect: Unlocks Castle Court
When:
During Game
How:
Get 60 Points Or Higher In The Third Level Of Shooting Star
Submitted By:
Freeola
Effect: Unlocks Mario
Effect: Unlock Star Court
When:
During Game
How:
Get All Of The Medals On The Clear Status Screen
Submitted By:
Freeola
Effect: Unlocks Jungle Court
When:
During Game
How:
Get 60 Points Or Higher In The Third Level Of Banana Bunch
Submitted By:
Freeola
Effect: Unlock Tropics Court
When:
During Game
How:
Get 60 Points Or Higher In The Third Level Of Target Shot
Submitted By:
Freeola
Effect: be an officer
When:
at main menu
How:
press up down left right
Submitted By:
Unknown
Effect: Unlocks Peach
When:
Throughout the game
How:
To Unlock A Playable Peach, Beat The Entire Mario Tour In Singles
Submitted By:
Page: