Secret Teams:
At the title screen, press C-Right, A, Down, Left.

Special Message:
At the title screen, press C-Up, R, B(2).

View Credits
At the title screen, press R, A, Z, R, C-Right, A, B.

Cheat Codes
First, press L, R, L, R at the pre-game menu (this activates the cheat menu). Then enter one of the following codes below. Note: Enter the following codes at the pre-game menu after you enter the "Cheat menu" code.

 CODE                                 Effect
 Press Right, A, C-Up, L, A           Secret stadium
 Press L, A, Down, Right              Always hit home runs
 Press C-Left, A, Down, C-Up, Z       Easy steals
 Press C-Right, A, Z, B, A, L(2)      Crazy ball
 Press C-Right, A, Z, C-Up, R, B      Crazy pitches
 Press C-Right, A, Z, C-Up, R, L      Different pitches
 Press B, L, B, A, Right              Blue bats
 Press R, Down, B, A, Right           Red bats
 Press Z, B, R, A                     Psychedelic bats
 Press R, A, Z, B, A, L(2)            Aluminum bats
 Press L, A, Z, R, B, A, L(2)         Fast game
 Press Up, L(2), B, A, L(2)           Slow game
 Press Up, Down, L, Up, R             High gravity
 Press Up, R, A, L                    Low gravity
 Press C-Right, A, Z, C-Up, L, R, Z   Alternate sky