Triple Play 2000 Cheats (Nintendo 64)

To increase the home team score by one hold L+R+Z and press C-Left twice.  To increase the
away team score by 1 hold L+R+Z and press C-Right twice.

Hold L+R+Z and press Right, Up, Right, Up.

Hold L+R+Z and press Up, Down while in the batters box.

Hold L+R+Z and press Left, Up, Left, Up when your batter is in the batter's box but has
not recieved the first pitch.

Hold L+R+Z and press Down,Up.

When you come to bat, hold the analog stick diagonally up and left and press the B button.
If your position is correct you will hit a homerun most of the time.