The following are known CWCheat Codes for Final Fantasy II on Sony Playstation Portable (PSP).

_S ULES-00987
_G Final Fantasy II 20th Anniversary Edition [EU]
_C0 After Battle, Recover HP
_L 0x2013683C 0x9603001A
_L 0x20136844 0x9603001C
_C0 All Healing Items
_L 0xD5000000 0x00000010
_L 0xC0000000 0x0000001E
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD2000000 0x00000000
_C0 All Healing Items & Weapons
_L 0xD5000000 0x00000010
_L 0xC0000000 0x0000001E
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD1000000 0x00000000
_L 0xD5000000 0x00000031
_L 0xC0000000 0x0000009E
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD2000000 0x00000000
_C0 All Healing Items & Weapons & Special Items
_L 0xD5000000 0x00000010
_L 0xC0000000 0x0000001E
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD1000000 0x00000000
_L 0xD5000000 0x00000031
_L 0xC0000000 0x0000009E
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD1000000 0x00000000
_L 0xD5000000 0x00000001
_L 0xC0000000 0x0000000D
_L 0x29B97427 0x0000005A
_L 0xD8000000 0x09B97358
_L 0xD4000000 0x00000001
_L 0xD2000000 0x00000000
_C0 Always Encounter
_L 0x20092B70 0x53E0003E
_C0 Character 1 Has Infinite Health
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA250A
_L 0xD7000000 0x09BA2506
_L 0xD2000000 0x00000000
_C0 Character 1 Has Infinite MP
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA250C
_L 0xD7000000 0x09BA2508
_L 0xD2000000 0x00000000
_C0 Character 2 Has Infinite Health
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA26D6
_L 0xD7000000 0x09BA26D2
_L 0xD2000000 0x00000000
_C0 Character 2 Has Infinite MP
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA26D8
_L 0xD7000000 0x09BA26D4
_L 0xD2000000 0x00000000
_C0 Character 3 Has Infinite Health
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA28A2
_L 0xD7000000 0x09BA289E
_L 0xD2000000 0x00000000
_C0 Character 3 Has Infinite MP
_L 0x99BA24E0 0x00001BFC
_L 0xDA000000 0x09BA28A4
_L 0xD7000000 0x09BA28A0
_L 0xD2000000 0x00000000
_C0 Full Bestiary
_L 0x813976E0 0x00AB0001
_L 0x10008001 0x00000000
_C0 Full HP
_L 0x19B97162 0x0000270F
_C0 Full HP
_L 0x19B971E0 0x0000270F
_C0 Full HP
_L 0x19B9725E 0x0000270F
_C0 Full MP
_L 0x19B97166 0x0000270F
_C0 Full MP
_L 0x19B971E4 0x0000270F
_C0 Full MP
_L 0x19B97262 0x0000270F
_C0 Have All Items
_L 0x81397358 0x001F0001
_L 0x00000010 0x00000001
_L 0x81397377 0x009D0001
_L 0x00000032 0x00000001
_L 0x81397427 0x00BC0001
_L 0x00000050 0x00000000
_L 0x00000050 0
_L 0x00000050 0
_C0 HP Max Firion
_L 0x11397164 0x0000270F
_C0 HP Max Guy
_L 0x11397260 0x0000270F
_C0 HP Max Leon
_L 0x113972DE 0x0000270F
_C0 HP Max Maria
_L 0x113971E2 0x0000270F
_C0 HP Now Firion
_L 0x11397162 0x0000270F
_C0 HP Now Guy
_L 0x1139725E 0x000027F
_C0 HP Now Leon
_L 0x113972DC 0x0000270F
_C0 HP Now Maria
_L 0x113971E0 0x0000270F
_C0 Max All Weapon and Magic Levels
_L 0x8139719B 0x00180002
_L 0x00000010 0x00000000
_C0 Max Attack
_L 0x29B97172 0x000000FF
_C0 Max Attack
_L 0x29B971F0 0x000000FF
_C0 Max Attack
_L 0x29B9726E 0x000000FF
_C0 Max Def
_L 0x29B97183 0x000000FF
_C0 Max Def
_L 0x29B97201 0x000000FF
_C0 Max Def
_L 0x29B9727F 0x000000FF
_C0 Max Gil
_L 0x2139734C 0x0098967F
_C0 Max Gil
_L 0x09B9734C 0x05F5E0FF
_C0 Max HP
_L 0x19B97164 0x0000270F
_C0 Max HP
_L 0x19B971E2 0x0000270F
_C0 Max HP
_L 0x19B97260 0x0000270F
_C0 Max MP
_L 0x19B97168 0x0000270F
_C0 Max MP
_L 0x19B971E6 0x0000270F
_C0 Max MP
_L 0x19B97264 0x0000270F
_C0 Max Number of Steps
_L 0x21397348 0x0098967F
_C0 Max Status Firion
_L 0x8139716A 0x00030001
_L 0x10006363 0x00000000
_C0 Max Status Guy
_L 0x81397266 0x00030001
_L 0x10006363 0x00000000
_C0 Max Status Leon
_L 0x813972E4 0x00030001
_L 0x10006363 0x00000000
_C0 Max Status Maria
_L 0x813971E8 0x00030001
_L 0x10006363 0x00000000
_C0 Max Steps
_L 0x09B97348 0x05F5E0FF
_C0 Monster Picture Book All
_L 0x413976E0 0x00550001
_L 0x03E703E7 0x00000000
_L 0x11397834 0x000003E7
_C0 MP Max Firion
_L 0x11397168 0x000003E7
_C0 MP Max Guy
_L 0x11397264 0x000003E7
_C0 MP Max Leon
_L 0x113972E2 0x000003E7
_C0 MP Max Maria
_L 0x113971E6 0x000003E7
_C0 MP Now Firion
_L 0x11397166 0x000003E7
_C0 MP Now Guy
_L 0x11397262 0x000003E7
_C0 MP Now Leon
_L 0x113972E0 0x000003E7
_C0 MP Now Maria
_L 0x113971E4 0x000003E7
_C0 Music Player
_L 0x013D0D8B 0x00000002
_L 0x013D0D94 0x00000002
_C0 No Encounters
_L 0x20092B70 0x5000003E
_C0 No Random Battles
_L 0x29B97CB7 0x00000053
_C0 No Steps
_L 0x09B97348 0x00000000
_C0 Normal Encounter Rate
_L 0x20092B70 0x5020003E