The following are known Action Replay Codes for 007: Agent Under Fire on Nintendo GameCube (GCN).

• Master Code (Must Be On)
  EVK5-HXAX-PDEBV
  D86U-23UV-Y6K1E
  YHZW-8VNW-H3B4D
  1T8F-34EA-AURQA
  93VW-4W06-FBDBV
  1X3N-9R3K-AGPFU
  33EV-63JT-XATBM
  F4X3-PCJX-HXNXG
  22CF-N31E-DVGM1
  FQY1-FYEZ-3404U
  BUE4-HE3X-KYK9P
• Ghost Mode
  36XA-4D43-1JMP2
  D4F7-CQKH-V34TH
  ZF9F-ZA60-MX1ZH
• Unlock All Levels
  0H2H-HNDR-0JPHA
  5F9Z-QTYH-R4A58
  GQ83-NADB-7TW7E
  Note: Load the Memory Card to activate.
• Unlock All Weapons
  YKJV-MWG3-H8ABN
  6D4H-JW1U-YNJZN
  2JEE-0UKT-PA9GA
  Note: Load the Memory Card to activate.
• Infinite Ammo
  1TXM-XKND-M7314
  D4F7-CQKH-V34TH
  MDMK-MKZ4-BQ5TK
• Moon Jump (Hold Y)
  R0GH-2ZTY-4JJCB
  1J8N-0EYU-9E9Z7
  PFJT-1PR7-0DGBX
  095J-BEWH-ZFGTR
  FGGJ-4TUN-0JEQ8
  E9FZ-A3QA-YCERP