The following are known CWCheat Codes for DJ Max Portable: Black Square on Sony Playstation Portable (PSP).

_S ULKS-46189
_G DJ Max Portable: Black Square [KO]
_C0 100 termination
_L 0x201B35D0 0x42C80000
_C0 999999 Combo
_L 0x20438BE4 0x000F423F
_C0 999999 Gold
_L 0x201B0A58 0x000F423F
_C0 99999999 Score
_L 0x20438BF8 0x05F5E0FF
_C0 All Characters
_L 0x401B0240 0x001D0002
_L 0x00000000 0x00000000
_C0 All Songs
_L 0x801ADBC1 0x0394000A
_L 0x00000065 0x00000000
_C0 BREAK
_L 0x10438C08 0x00000000
_C0 Club Tour Season 1
_L 0x801B0A7C 0x00400001
_L 0x00000004 0x00000000
_C0 COMBO
_L 0x20438BE4 0x000F423F
_L 0x20438BE8 0x000F423F
_C0 FEVER
_L 0x20438F94 0x00065536
_C0 Gauge MAX
_L 0x2043675C 0x42C80000
_L 0x20436F50 0x42C80000
_L 0x20438BFC 0x42C80000
_C0 HP
_L 0x2043675C 0x43160000
_L 0x20438BFC 0x43160000
_C0 MAX
_L 0x10438C34 0x0000270F
_C0 RANK 1
_L 0x101B0A54 0x00000001
_C0 Reward
_L 0x201B0A58 0x0098967F
_C0 Score
_L 0x20438BF8 0x0098967F
_C0 Unlock all Collection Images
_L 0x401B0340 0x00640002
_L 0x00000000 0x00000000
_C0 Unlock all Collection Movies
_L 0x401B0328 0x00030002
_L 0x00000000 0x00000000
_C0 Unlock All Effectors
_L 0x401B0860 0x00140002
_L 0x00000000 0x00000000
_C0 Unlock All Freestyle Mode Songs
_L 0x801ADBC1 0x0394000A
_L 0x00000065 0x00000000
_C0 Unlock all Gears
_L 0x401B01E0 0x00060002
_L 0x00000000 0x00000000
_C0 Unlock all Notes
_L 0x401B0210 0x00060002
_L 0x00000000 0x00000000
_C0 Unlock all Player Icons
_L 0x401B0240 0x001D0002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 1: Black
_L 0x401B0660 0x00170002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 1: Black
_L 0x401B0660 0x00170002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 2: Square
_L 0x401B0718 0x00170002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 2: Square
_L 0x401B0718 0x00170002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 3: Bling
_L 0x401B07D0 0x00100002
_L 0x00000000 0x00000000
_C0 Unlock OST Disc 3: Bling
_L 0x401B07D0 0x00100002
_L 0x00000000 0x00000000