The following are known CWCheat Codes for Rurouni Kenshin: Meiji Kenkaku Romantan Saisen on Sony Playstation Portable (PSP).

_S ULJS-00360
_G Rurouni Kenshin: Meiji Kenkaku Romantan Saisen [JP]
_C0 0 HP P2
_L 0x2026DB6C 0x00000000
_C0 0 Power P2
_L 0x2026DB70 0x00000000
_C0 2P deadly blow 0
_L 0x0026DBA0 0x00000000
_C0 Adventure Mode Kills 9999
_L 0x2026DB2C 0x0000270F
_C0 Adventure Mode Kills 9999
_C0 ALL character All CLEAR
_L 0x601C6CA0 0x000000FF
_L 0x00000006 0x000002DF
_L 0x90000001 0x00000000
_C0 ALL Character/Chapter Open
_L 0x601C6CA0 0xFFFFFFFF
_L 0x00020001 0x00000278
_C0 All Gallery Open
_L 0x601C6CA0 0xFFFFFFFF
_L 0x00020021 0x00000290
_L 0x90000001 0x00000000
_C0 Arena Open(???)
_L 0x601C6CA0 0xFFFFFF00
_L 0x00020001 0x00000280
_C0 Collection Open
_L 0x601C6CA0 0xFFFFFFFF
_L 0x00020021 0x00000290
_L 0x90000001 0x00000000
_C0 HP 0 Player 2
_L 0x2026DB6C 0x00000000
_C0 HP Infinity Player 1
_L 0x2026DB14 0x44C80000
_C0 Infinite HP P1
_L 0x2026DB14 0x44C80000
_C0 Max Power P1
_L 0x2026DB18 0x447A0000
_C0 Max Weapon Level
_L 0x601C6CA0 0x00000005
_L 0x00000045 0x000001E0
_L 0x90000001 0x00000000
_C0 Money 99999999
_L 0x2026DCDC 0x05F5E0FF
_C0 Money 99999999
_L 0x2026DCDC 0x05F5E0FF
_C0 Money Max
_L 0x601C6CA0 0x0098967F
_L 0x00020001 0x000001DC
_C0 P1 deadly blow 3
_L 0x0026DB48 0x00000003
_C0 P1 Energy Max
_L 0x601C6CA0 0x447A0000
_L 0x00020001 0x00000018
_C0 P1 HP Not Dec
_L 0x601C6CA0 0x44C80000
_L 0x00020001 0x00000014
_C0 P2 No Energy
_L 0x601C6CA0 0x00000000
_L 0x00020001 0x00000070
_C0 P2 Slow Speed
_L 0x601C6CA0 0x00000000
_L 0x00000001 0x00000090
_C0 Power 0 Player 2
_L 0x2026DB70 0x00000000
_C0 Power Max Player 1
_L 0x2026DB18 0x447A0000
_C0 Prees Select P2 One hit kill
_L 0xD0000001 0x10000001
_L 0x601C6CA0 0x3F800000
_L 0x00020001 0x0000006C
_C0 Speed Unabated
_L 0x601C6CA0 0x00000003
_L 0x00000001 0x00000048
_C0 Speed x0 Player 2
_L 0x2026DBA0 0x00000000
_C0 Speed x3 Player 1
_L 0x2026DB48 0x00000003
_C0 Speedx0 P2
_L 0x2026DBA0 0x00000000
_C0 Speedx3 P1
_L 0x2026DB48 0x00000003
_C0 SURVIVAL Kills 999
_L 0x2026DC8C 0x000003E7
_C0 SURVIVAL Kills 999
_L 0x2026DC8C 0x000003E7
_C0 Time Stop
_L 0x601C6CA0 0x42C80000
_L 0x00020001 0x00000170
_C0 Tsuisou No Ma (Gallery) All Open
_L 0x601C6CA0 0xFFFFFFFF
_L 0x00020021 0x00000290
_L 0x90000001 0x00000000
_C0 Weapon Lv MAX
_L 0x601C6CA0 0x00000005
_L 0x00000045 0x000001E0
_L 0x90000001 0x00000000
_C0 Weapon Lvl Max
_L 0x601C6CA0 0x00000005
_L 0x00000045 0x000001E0
_L 0x90000001 0x00000000