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

_S NPEH-90014
_G Dissidia Final Fantasy (PlayStation Store) (Demo) [EU]
_C0 Easy Mode (demo)
_L 0x0123F3FC 0x00000000
_C0 Hard Mode
_L 0x0123F3FC 0x00000002
_C0 Hard Mode (demo)
_L 0x0123F3FC 0x00000001
_C0 Max Bravery
_L 0x112DC4E0 0x0000270F
_L 0x112DC550 0x0000270F
_L 0x11307050 0x0000270F
_L 0x112DE510 0x0000270F
_C0 Time Attack Mode
_L 0x0123F3FC 0x00000003

_S UCES-01229
_G Dissidia: Final Fantasy [EU]
_C0 All Characters Unlocked
_L 0x20443B58 0xFFFFFFFF
_L 0x00443B5C 0x000000FF
_C0 Even Quicker Game
_L 0x200EEA1C 0x3C014040
_L 0x200EEA24 0xAE016AD4
_C0 Hyper Mode
_L 0x200EEA1C 0x3C014080
_L 0x200EEA24 0xAE016AD4
_C0 Idiot AI
_L 0x2005D6F8 0x1000001D
_C0 Infinite Dynasty Points
_L 0x201BA33C 0x00000000
_L 0x201BA348 0x00000000
_C0 Max Gil
_L 0x204279F0 0x05F5E0FF
_C0 Max PP
_L 0x20432110 0x3B9AC9FF
_C0 Normal AI
_L 0x2005D6F8 0x1040001D
_C0 Normal Speed
_L 0x200EEA1C 0xC48C0018
_L 0x200EEA24 0xE60C6AD4
_C0 Player 1: Full EX Gauge
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001004 0x3C01461D
_L 0x20001008 0xACE10014
_L 0x20001020 0x03E00008
_C0 Player 1: Infinite Health
_L 0x2005D9A4 0xA4E00002
_C0 Player 1: Max Damage
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001014 0x2401270F
_L 0x20001018 0xA4E10010
_L 0x2000101C 0xA4E1000E
_L 0x20001020 0x03E00008
_C0 Player 1: Max Infinite Health
_L 0x2005D9A0 0x2405270F
_L 0x2005D9A4 0xA4E50008
_L 0x2005D9A8 0xA4E00002
_C0 Player 1: Max Level
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x2000100C 0x24010063
_L 0x20001010 0xA0E10000
_L 0x20001020 0x03E00008
_C0 Player 2: 1 Hit Kill
_L 0x2005D740 0x24060001
_L 0x2005D750 0xA4860008
_C0 Player 2: Instant Win
_L 0x2005D740 0x24062710
_L 0x2005D750 0xA4860002
_C0 Player 2: Instant Win/1 Hit Kill
_L 0x2005D740 0x84860008
_L 0x2005D750 0x04E00009
_C0 Quicker Game
_L 0x200EEA1C 0x3C014020
_L 0x200EEA24 0xAE016AD4
_C0 Slow Motion
_L 0x200EEA1C 0x3C013F40
_L 0x200EEA24 0xAE016AD4

_S ULES-01270
_G Dissidia: Final Fantasy [EU]
_C0 
_C0 
_C0 1 Hit Kill
_L 0x0885D740 0x24060001
_L 0x0885D750 0xA4860008
_C0 1 Hit Kill
_L 0x2005D740 0x24060001
_L 0x2005D750 0xA4860008
_C0 1 Hit Kill
_L 0x2005D740 0x24060001
_L 0x2005D750 0xA4860008
_C0 All Characters Unlocked
_L 0x08C43B58 0xFFFFFFFF
_L 0x28C43B5C 0x000000FF
_C0 All Characters Unlocked
_L 0x20443B58 0xFFFFFFFF
_L 0x00443B5C 0x000000FF
_C0 All Characters Unlocked
_L 0x20443B58 0xFFFFFFFF
_L 0x00443B5C 0x000000FF
_C0 Bigger
_L 0x08BC50F4 0x3FC00000
_L 0x08BC50E0 0x3FC00000
_L 0x08BC5108 0x3FC00000
_L 0x08BC511C 0x3FC00000
_C0 Disable AI
_L 0x2005D6F8 0x1000001D
_C0 Disable AI
_L 0x2005D6F8 0x1000001D
_C0 Disable Instant Win/1 Hit Kill
_L 0x0885D740 0x84860008
_L 0x0885D750 0x04E00009
_C0 Enable AI
_L 0x2005D6F8 0x1040001D
_C0 Enable AI
_L 0x2005D6F8 0x1040001D 
_C0 Even Quicker Game
_L 0x088EEA1C 0x3C014040
_L 0x088EEA24 0xAE016AD4
_C0 Full EX Gauge
_L 0x0885D9AC 0x0E200400
_L 0x08801000 0x84C6000E
_L 0x08801004 0x3C01461D
_L 0x08801008 0xACE10014
_L 0x08801020 0x03E00008
_C0 Full EX Gauge
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001004 0x3C01461D
_L 0x20001008 0xACE10014
_L 0x20001020 0x03E00008
_C0 Full EX Gauge
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001004 0x3C01461D
_L 0x20001008 0xACE10014
_L 0x20001020 0x03E00008
_C0 Hyper Mode
_L 0x088EEA1C 0x3C014080
_L 0x088EEA24 0xAE016AD4
_C0 Idiot AI
_L 0x0885D6F8 0x1000001D
_C0 Infinite Dynasty Points
_L 0x089BA33C 0x00000000
_L 0x089BA348 0x00000000
_C0 Infinite Health
_L 0x0885D9A4 0xA4E00002
_C0 Infinite Health
_L 0x2005D9A4 0xA4E00002
_C0 Infinite Health
_L 0x2005D9A4 0xA4E00002
_C0 Instant Win
_L 0x0885D740 0x24062710
_L 0x0885D750 0xA4860002
_C0 Instant Win
_L 0x2005D740 0x24062710
_L 0x2005D750 0xA4860002
_C0 Instant Win
_L 0x2005D740 0x24062710
_L 0x2005D750 0xA4860002
_C0 Massive
_L 0x08BC50F4 0x40000000
_L 0x08BC50E0 0x40000000
_L 0x08BC5108 0x40000000
_L 0x08BC511C 0x40000000
_C0 Max Damage
_L 0x0885D9AC 0x0E200400
_L 0x08801000 0x84C6000E
_L 0x08801014 0x2401270F
_L 0x08801018 0xA4E10010
_L 0x0880101C 0xA4E1000E
_L 0x08801020 0x03E00008
_C0 Max Damage
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001014 0x2401270F
_L 0x20001018 0xA4E10010
_L 0x20001020 0x03E00008
_C0 Max Damage
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x20001014 0x2401270F
_L 0x20001018 0xA4E10010
_L 0x20001020 0x03E00008
_C0 Max Gil
_L 0x08C279F0 0x05F5E0FF
_C0 Max Gil
_L 0x204279F0 0x05F5E0FF
_C0 Max Gil
_L 0x204279F0 0x05F5E0FF
_C0 Max Infinite Health
_L 0x0885D9A0 0x2405270F
_L 0x0885D9A4 0xA4E50008
_L 0x0885D9A8 0xA4E00002
_C0 Max Infinite Health
_L 0x2005D9A0 0x2405270F
_L 0x2005D9A4 0xA4E50008
_L 0x2005D9A8 0xA4E00002
_C0 Max Infinite Health
_L 0x2005D9A0 0x2405270F
_L 0x2005D9A4 0xA4E50008
_L 0x2005D9A8 0xA4E00002
_C0 Max Level
_L 0x0885D9AC 0x0E200400
_L 0x08801000 0x84C6000E
_L 0x0880100C 0x24010063
_L 0x08801010 0xA0E10000
_L 0x08801020 0x03E00008
_C0 Max Level
_L 0x2005D9AC 0x0E200400
_L 0x2000100 0x84C6000E
_L 0x2000100C 0x24010063
_L 0x20001010 0xA0E10000
_L 0x20001020 0x03E00008
_C0 Max Level
_L 0x2005D9AC 0x0E200400
_L 0x20001000 0x84C6000E
_L 0x2000100C 0x24010063
_L 0x20001010 0xA0E10000
_L 0x20001020 0x03E00008
_C0 Max PP
_L 0x08C32110 0x3B9AC9FF
_C0 Max PP
_L 0x20432110 0x3B9AC9FF
_C0 Max PP
_L 0x20432110 0x3B9AC9FF
_C0 Normal
_L 0x08BC50F4 0x3F800000
_L 0x08BC50E0 0x3F800000
_L 0x08BC5108 0x3F800000
_L 0x08BC511C 0x3F800000
_C0 Normal
_L 0x088EEA1C 0xC48C0018
_L 0x088EEA24 0xE60C6AD4
_C0 Normal AI
_L 0x0885D6F8 0x1040001D
_C0 Quicker Game
_L 0x088EEA1C 0x3C014020
_L 0x088EEA24 0xAE016AD4
_C0 Slow Motion
_L 0x088EEA1C 0x3C013F40
_L 0x088EEA24 0xAE016AD4