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

• Balls Do Not Count
  SZNXGUVV
• Strikes Do Not Count
  SXOXYUVV
• 2 Strikes And You’re Out
  PEOXGLZA
• 4 Strikes And You’re Out
  LEOXGLZA
• 2 Balls And You Walk
  PANZGLLA
• 3 Balls And You Walk
  ZANZGLLA

2-Player Mode Only Codes

• Some Batters Start With Count Of 1 And 1
  PANPUTAA
  PEOETGAA
• Some Batters Start With Count Of 2 And 2
  ZANPUTAA
  ZEOETGAA