Tennis King:
Enter MNRKNHAAFFFFnPW as password.

Super password:
Enter [Music note]KXNPPPP[Space][Space][Space]P[Space]br. Game play will start with 55,350 points, all the pearls, magic ball, and inner tube. Continue game play by buying a racket, shirt, and shoes at Toronto before facing the bad king on the island just north of Toronto.

Four-sectioned screen:
Enter [Cone] as each character of the password. Game play will begin with the screen split into four sections with faster action.