Fight as Repli and Wolf
Press [A], [B], [Z], [X], [Y], [C] when the phrase "Press Start" flashes on the title screen. A sound will confirm correct code entry. Repli and Wolf may now be selected under one player and versus modes.
Enable easy super moves
Enter the "Fight as Replicant and Wolf" code, then return to the title screen. Press [A], [Z], [C], [X], [B], [Y] when the phrase "Press Start" flashes. A sound will confirm correct code entry. Press [C] + [Z] during game play to execute the super move.
Fight as Vermilion and Sho
Enter the "Fight as Replicant and Wolf" and "Enable easy super moves" codes, then return to the title screen. Press [A], [Y], [C], [X], [B], [Z] when the phrase "Press Start" flashes. A sound will confirm correct code entry. Vermilion and Sho may now be selected under one player or versus modes.
Hidden URA Option 2 menu
Enter the "Fight as Replicant and Wolf", "Enable easy super moves", and "Fight As Vermilion and Sho" codes, then return to the title screen. Press [A], [X], [Y], [Z], [C], [B] when the phrase "Press Start" flashes. A sound will confirm correct code entry. Press [Start] and highlight the "Option" selection on the main menu. Then, hold [R] and press [Start]. A hidden menu will appear allowing you to toggle ring-outs, become almost invincible, adjust effects, and more.
Hidden URA options
Complete the game on any difficulty level. Highlight the "Options" selection on the main menu. Hold [L] and press [Start]. An options menu will appear in the upper left corner of the screen. The following items may be adjusted: Master Volume, BGM Volume, Movie Volume, Movie Size, Camera Mode, Tone Level, Mono Tone, Stage Effect.
URA mode
Press [A], [B], [C]x3, [X], [Y], [Z]x3 when the phrase "Press Start" flashes on the title screen. A sound will confirm correct code entry. Press [Start], then highlight the "1P Game" selection on the main menu. Then, hold [R] + [Y], and press [Start]. The game is now in URA mode, which enables random effects with each fight. A clue about the current effect will appear at the top of the screen.
Bout time settings
Enter the options screen and highlight the "Bout Time" option. Press [L] + [R] + [X] + [Y] + [Z]. A sound will confirm correct code entry. New bout time settings will now be unlocked. Alternately, press [L] + [R] + [X] + [Y] + [X].
Fight against Sho
Complete the game without using any continues.
Alternate costume colors
Hold [B] when selecting a character. A third color is available in two player mode.
End credits secret
Hold [L] + [R] and move the D-Pad to control the images during the end credits.
Watch mode
Highlight the "Vs. Computer" option, hold [L] + [R] and press [Start]. A random CPU controlled fight will begin.
Remove live and overdrive bars
Hold [L] + [R] during a winning pose.