Image Fight/Xmultiply Cheats (PlayStation)

Press Start to pause game play, then press Square, Circle, Triangle, X.

At the options screen press L2 [3]. Then, press L2 to select the music. Level select
(Xmultiply):
  While at the title screen hold L1 + L2 + Start.

First pause game play by pressing Start to, then press X, Triangle, Circle, Square.

At the options screen press L2 [2]. Then, press L2 to select the music.

Hold R1 + R2 + Start at the title screen.