Crisis City Cheats

Extra mode:
In the title screen, push Up, Down, Left, Right, X, Circle. A new EXTRA option will becomes visible that allows the game to be played with new enemies and alternate enemy positions.

Hidden area 6:
Pick a character in versus mode. Then, highlight the random option on the area selection screen, hold L1, and press Circle.

Hidden area 7:
Pick a character in versus mode. Then, highlight the random option on the area selection screen, hold L2, and press Circle.