The following are known Action Replay MAX Codes for Call of Duty 2: Big Red One on Sony Playstation 2 (PS2).

Device Compatibility: Action Replay MAX

Standard Edition

• Master Code – Must Be On
  7UJT-PC98-X1X3F
  CTMM-7FQH-42EFT
  5YJK-3MC1-8YKNK
  DCJ2-VTK1-0YW96
  K0TP-GXT1-V0DNA
  GTZR-9XFT-9KAJT
  UR3C-8CA3-A8MMZ
  KHR1-9NNM-YQ04G
  34QW-TDMR-8J836
  QZR8-D2DM-NK9WR
  0KCA-2W1Y-TYVZY
  B6K1-CWP8-N5J0B
  D82R-EM9V-ZXXJZ
  DEEH-V5WZ-A72AB
  J466-Q4HA-6MH5R
  03AH-5PBC-9K2T7
  9Y77-RVNY-EYD0G
• Infinite Ammo
  MAQB-TPEH-6A1JT
  C819-KGZB-NN6EN
  2H8B-3PXZ-W0WV4
• Never Reload/Infinite Grenades
  NQU6-0NA0-1PT3A
  C819-KGZB-NN6EN
  W65Y-NDBN-84XCN
• All Levels/Bonus Material
  1J00-F233-ANBGP
  PAX0-T4MK-3FY9A
  YVBW-KH7J-TTDD5

Collector’s Edition

• Master Code – Must Be On
  W2MN-ZF20-MM64H
  CTMM-7FQH-42EFT
  5YJK-3MC1-8YKNK
  DCJ2-VTK1-0YW96
  K0TP-GXT1-V0DNA
  GTZR-9XFT-9KAJT
  UR3C-8CA3-A8MMZ
  KHR1-9NNM-YQ04G
  34QW-TDMR-8J836
  QZR8-D2DM-NK9WR
  0KCA-2W1Y-TYVZY
  B6K1-CWP8-N5J0B
  D82R-EM9V-ZXXJZ
  DEEH-V5WZ-A72AB
  J466-Q4HA-6MH5R
  03AH-5PBC-9K2T7
  9Y77-RVNY-EYD0G
• Infinite Ammo
  9JK2-5V17-8KG7J
  C819-KGZB-NN6EN
  2H8B-3PXZ-W0WV4
• Never Reload/Infinite Grenades
  39V9-06VA-JXVK7
  C819-KGZB-NN6EN
  W65Y-NDBN-84XCN
• All Levels/Bonus Material
  21NZ-33A2-ZDPJ5
  PAX0-T4MK-3FY9A
  YVBW-KH7J-TTDD5