The following are known CWCheat Codes for Metal Gear Solid: Portable Ops Plus on Sony Playstation Portable (PSP).

_S ULES-01003
_G Metal Gear Solid: Portable Ops Plus [EU]
_C0 All S3 Recruit
_L 0x001AF768 0x05050505
_L 0x001AF76C 0x05050505
_L 0x001AF770 0x05050505
_L 0x001AF774 0x05050505
_L 0x001AF778 0x05050505
_L 0x001AF77C 0x05050505
_L 0x001AF77C 0
_C0 Bug Alert ! ! !
_L 0x001E0324 0x11111111
_C0 Health of Recruit
_L 0x001AF750 0x01F4
_C0 Infinite Ammo
_L 0x0889D4E0 0x00000000
_L 0x0889D4CC 0x00000000
_C0 Infinite Ration/Medikit Use
_L 0x0889E1AC 0x24110000
_C0 No Alert Mode V2
_L 0x001E0324 0x00000000
_C0 Position Lock
_L 0x001752AE 0x4080