K-1: The Arena Fighters Cheats - PlayStation

Alternate costumes
Hold [L1] + [R1] at the title screen. Three beeping sounds will confirm correct code entry. Press [Start] to choose alternate character costumes for Musashi, Andy Hug, and Sam Greco.

Fight as Master Ishii
Select team battle mode. Press [Up]x2, [Down]x2, [Left], [Right], [Left], [Right], [Start] at the character select screen. Master Ishii will be selectable to the right of the regular characters.

Set strength level
Press [Start] to pause game play and press [L2], [R1], [L1], [R1], [L2], [R1]. Use the D-Pad on either controller to change the flashing numbers on either side of the screen to any value between one and nine for the corresponding player.

Unlimited energy
Quickly press [Up], [Right], [Down], [Left], [Up], [Right], [Down], [Left], [Select] when the phrase "Push Start" begins to flash on the title screen. The sound of an explosion will confirm correct code entry. Note: This code affects both players.

View ending sequence
Hold [L1] + [L2] + [Triangle] + [Circle] + [Left] on both controllers and power on the PlayStation. Continue to hold all buttons until demo mode starts to view the ending sequence and credits.