The following are known GameShark / Action Replay Codes for World Series Baseball ’98 on SEGA Saturn.

• Master Code
  F6000914 C305
  B6002800 0000
• Home Team Score Modifier
  102F001E 00??
• Visitor Team Score Modifier
  102F003E 00??
• Infinite Balls
  1608426C 0000
• 1 Ball And You Walk
  D608426C 0000
  1608426C 0003
• 2 Balls And You Walk
  D608426C 0000
  1608426C 0002
• 3 Balls And You Walk
  D608426C 0000
  1608426C 0001
• Infinite Strikes
  16083782 0000
• 1 Strike And You Are Out
  D6083782 0000
  16083782 0002
• 2 Strikes And You Are Out
  D6083782 0000
  16083782 0001
• Infinite Outs
  16083A88 0000
• 1 Out And You Are Out
  D6083A88 0000
  16083A88 0002
• 2 Outs And You Are Out
  D6083A88 0000
  16083A88 0002