The following are known Action Replay Codes for Bo Jackson Baseball on Nintendo Entertainment System (NES).

The codes will work with the region specified but may work for other regions as well.

• P1 Score Modifier
  041B:XX
• P2/CPU Never Scores
  041C:00

These Affect Both Teams

• Batter Gets Hit By Ball
  6C1D:01
• Outs Modifier
  6C18:XX
  Note: This code can cause the outfields appear to leave the field. The HUD does not appear to follow you set the code to, although the code does indeed work.
• Balls Modifier
  6C1A:XX
• Strikes Modifier
  6C1B:XX
• Inning Modifier
  6C1C:XX