The following are known GameShark Codes for Lethal Enforcers I & II on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

• Player 1: Infinite Lives
  80078C3C 0009
• Player 1: Infinite Bullets
  80078C38 0016
• Player 2: Infinite Lives
  80078C70 0009
• Player 2: Infinite Bullets
  80078C6C 0016
• Infinite Credits
  80078C2C 001D