The following are known GameShark / Action Replay Codes for Die Hard Trilogy on SEGA Saturn.

• Master Code
  F6000924 C305
  B6002800 0000

Die Hard Codes

• Infinite Energy
  160C0F26 000C
• Infinite Bullets
  160C0F2A 000F
• Infinite Grenades
  160C0F2C 0002
• Score Modifier
  160C7CEA ????
• Infinite Lives
  160C7D1C 0009

Die Harder Codes

• Infinite Energy
  16092620 0005
  160CF758 0005
• Infinite Bullets
  160EEDE2 000F
• Infinite Grenades
  16092628 000A
• Score Modifier
  160907CE ????
• Infinite Rockets
  16092628 000A

Die Hard With A Vengeance Codes

• Infinite Time
  160CD84A 4C68
• Infinite Turbos
  1608E630 0003