The following are known CWCheat Codes for K-On! Houkago Live!! on Sony Playstation Portable (PSP).

_S ULJM-05709
_G K-On! Houkago Live!! [JP]
_C0 CG ALL
_L 0x408B0B28 0x00030001
_L 0xFFFFFFFF 0x00000000
_L 0x208B0B34 0x0FFFFFFF
_C0 COLLECTION ALL
_L 0x808B0AA4 0x00090001
_L 0x000000FF 0x00000000
_L 0x408B0B38 0x000C0001
_L 0xFFFFFFFF 0x00000000
_L 0x108B0B6A 0x0000FFFF
_L 0x408B0B6C 0x00030001
_L 0xFFFFFFFF 0x00000000
_L 0x208B0B78 0xFFFFFFFF
_C0 Combo 999
_L 0x108AEE54 0x000003E7
_C0 EVENT ALL
_L 0x808B0B8C 0x00080001
_L 0x000000FF 0x00000000
_C0 ITEM 99 FOR MUSIC PLAY
_L 0x808B0A99 0x00080001
_L 0x10000063 0x00000000
_C0 ITEM 99 FOR MUSIC PLAY
_L 0x808B0A99 0x00080001
_L 0x10000063 0x00000000
_C0 ITME ALL
_L 0x808B0A99 0x00080001
_L 0x00000063 0x00000000
_C0 OPTION ALL
_L 0x108B0B68 0x000001FF
_C0 SONG ALL
_L 0x208B0AB0 0x000FFFFF
_C0 SOUND ALL
_L 0x208B0ABC 0x000FFFFF
_L 0x208B0AC4 0x000FFFFF
_C0 TENSION MAX
_L 0x208AEE48 0x00000147
_C0 TENSION MAX
_L 0x208AEE48 0x00000147
_C0 TOTAL SCORE 9999999
_L 0x208AEE40 0x0098967F
_C0 VOICE ALL
_L 0x408B0AC8 0x000B0001
_L 0xFFFFFFFF 0x00000000
_L 0x108B0AF4 0x000001FF