The following are known Action Replay Codes for Bases Loaded 4 on Nintendo Entertainment System (NES).

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

• P2/CPU Never Scores
  0391:00

Modifier Codes

• Strikes Modifier
  037C:XX
• Balls Modifier
  037D:XX
• Outs Modifier
  037E:XX