In Exhibition go to Kaufmann Stadium where you'll see two signs that read Win a Lizard. If any player hits a sign the team will turn into lizards.
Press Z when running bases or out in the field.
In Arcade mode hold CDown A until the ball reaches the plate.
Always Hit a Homer at Jacobs Field
Play as the Indians at Jacob's Field and when Jim Thorne is at bat press Up Down Up.
At the Cheat screen enter any of the following "Codes":
|BBNSTRDS||Huge Ball Mode|
|GOTHELIUM||Big Head Mode|
|FLYAWAY||Fly Away Mode|
|TOMTHUMB||Tom Thumb Mode|