The following are known GameShark Codes for Syndicate Wars 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 European version of the game.

• Infinite Money
  800E364C E100
  800E364E 05F5
• Infinite Health (All Personnel)
  8005CA80 0002
  8005CA82 1C40
• Infinite Fire Power (UZI 9mm. Machine Gun)
  80071660 0004
• Infinite Fire Power (Mini Gun)
  80071730 0004