The following are known Action Replay Codes for Baseball Simulator 1.000 on Nintendo Entertainment System (NES).

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

• P1 High Score
  0694:FF
• P2/CPU No Score
  0695:00
• Strikes Modifier
  00A0:XX
• Balls Modifier
  00A1:XX
• Outs Modifier
  00A2:XX