The following are known Action Replay MAX Codes for Metal Gear Solid 2: Substance on Sony Playstation 2 (PS2).

Device Compatibility: Action Replay MAX

• Master Code – Must Be On
  VXUG-VR0T-28PKB
  B84F-RQM9-YJ7W1
• Infinite Health (Both Characers)
  ETKH-J5F8-HVTP5
  VBB9-G9AC-WW4KB
  WZ8B-A0VN-D6T6B

Skateboarding Mode Codes

• Master Code – Must Be On
  1UN5-F3PU-HZYD4
  49K3-KW0C-9JGZH
  TNWK-EPY9-X0DR1
  DBCQ-56EC-D0RZE
• Infinite Time
  CHQ0-81HJ-KJ6H1
  W5BC-WRJT-HREJP
• Fill Bar To Get Many Specials
  EP12-BHQN-K4D64
  61RQ-P1R7-216YH
  ZQ1D-JBJH-GBJFM