Enter the following codes at the title screen or while playing:

All Players - Left, Up, Left, Right, Down, Right, Left, Up
All Stadiums - Down, Up, Left, Right, Up, Right, Up, Down
All Teams - Left, Right, Right, Down, Down, Left, Up, Up
All Uniforms - Up, Down, Right, Left, Down, Right, Down, Up
Super Pitch Break - Right, Left, Right, Left, Right, Left, Up, Up
Super Pitch Speed - Up, Up, Up, Left, Left, Left, Left, Right
Super Six Pitches - Down, Up, Down, Right, Right, Right, Right, Left
Big Ball - Up, Up, Right, Left, Up, Up, Right, Left
Big Head - Left, Right, Left, Right, Up, Down, Up, Down
Small Head - Up, Down, Up, Up, Right, Right, Right, Left
Fast Run - Left, Right, Left, Right, Left, Right, Up, Up
Slow Run - Right, Left, Right, Left, Right, Left, Down, Down
Black and White - Up, Up, Down, Down, Left, Right, Left, Right
Beans - Right, Right, Right, Right, Right, Right, Left, Down