Master code:
Press Select during game play. Highlight "Help", then press L2, L1, L2, Square, Circle, Square. There is no confirmation that the code is active. The following sub codes may now be enabled. The master code must be entered before each sub code
Unlimited health:
Enable the "Master code", then press R3, L3, R3, Circle. A sound will confirm correct code entry. Enter the code again to disable its effects.
One hit kills:
Enable the "Master code", then press L3, R3, Circle, Square. A sound will confirm correct code entry. Konoko can now kill enemies with one hit. Enter the code again to disable its effects.
Character select:
Enable the "Master code", then press L2(4). A sound will confirm correct code entry. Keep pressing L2 to cycle through the characters available on the current level. Each has special moves different from Konoko, and is a remnant from the network/death match mode that was removed before the game's final release.
Tiny characters:
Enable the "Master code", then press L3, R3, Square, Circle. A sound will confirm correct code entry. Enter the code again to disable its effects.
Big characters:
Enable the "Master code", then press R3, Square, Circle, L3. A sound will confirm correct code entry. Enter the code again to disable its effects.
Big head:
Enable the "Master code", then press Start, Square, Circle, Start. A sound will confirm correct code entry. Enter the code again to disable its effects.
Fists Of Legend mode:
Enable the "Master code", then press R3, L3, Circle, Square. A sound will confirm correct code entry. Enter the code again to disable its effects. When activated, this code makes your enemies fly further when punched.