The following are known GameShark Codes for Maximum Force on Sony Playstation (PS1).

• Infinite Lives P1
  8006E7F0 0007
• Infinite Lives P2
  8006E880 0007
• Infinite Ammo P1
  8006E844 0008
• Infinite Ammo P2
  8006E8D4 0008
• All Mission Available
  80069CFC 0001
  80069D00 0001
  8006A0A8 0001
  8006E898 0001
• Have Special Weapons
  8006E840 0001
  8006E840 0002
  8006E8D0 0001
  8006E8D0 0002