Choose Pennant Mode and a 130 Days game. Then pick the Taiyo Whales, which is the 6th team from the top. Now, at the score screen where it says "Pennant Race", press the following buttons:
Effect Code See The Ending Press Left 10 times and then hold II + Select + Run. Sound Test Press Right 10 times and then hold II + Select + Run.
Who Goes First
At the "Open Mode", after choosing your Team and the CPU's Team, press Left or Right to change who pitches first.
Hidden Monsters Team
At the Pennant or Vs Modes, enter the password screen and input the letter "G" 110 times and for the 10 remaining spaces, enter the very first Japanese character (top-left). Now hit End and you'll be able to play with the Hidden Monsters Team.
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