To Enter the Cheat Mode: Start a normal game, pause it and enter the following on Controller two: Triangle, Square, X, Circle, Circle, Circle.
Advance to Any Inning: While in Cheat Mode, press Button X, and the words "Letēs go Inning" will appear in the upper left hand corner of the screen. Then press X to go to the desired inning (for example, press it 8 eight times at inning one and you go to the ninth inning).
Always Hit a Home Run: In Cheat Mode, press Button L1, and you will hear "Home Run." Then, press Start to unpause the game. Now, whenever you make contact with the ball, you will hit a home run. To switch back to normal play, re-enter the Cheat Mode and press L1. You should hear the word "Safe".
CPU Take Control: While in Cheat Mode, press L2, then press Start to unpause the game. To regain control of your team, re-enter the Cheat Mode and press L2. You should hear the word "Safe." now, you regain control.