The following are known CWCheat Codes for Buzz! Master Quiz on Sony Playstation Portable (PSP).

_S UCES-01130
_G Buzz! Master Quiz [EU]
_C0 Option 1 Always Correct
_L 0x205BC3F4 0x3F800000
_C0 Option 2 Always Correct
_L 0x205BC3F4 0x40000000
_C0 Option 3 Always Correct
_L 0x205BC3F4 0x40400000
_C0 Option 4 Always Correct
_L 0x205BC3F4 0x40800000
_C0 Options 1, 2, 3, 4 Correct
_L 0x205A9760 0x3F800000
_L 0x205A9768 0x40000000
_L 0x205A9770 0x40400000
_L 0x205A9778 0x40800000
_C0 Options 4, 3, 2, 1 Correct
_L 0x205A9760 0x40800000
_L 0x205A9768 0x40400000
_L 0x205A9770 0x40000000
_L 0x205A9778 0x3F800000