Real Bout Fatal Fury/Secrets

Play as the EX Characters
Select Andy Bogard, Billy Kane, Blue Mary or Tung Fu Rue, at the character select screen. Hold the start button (don't let go of it!) Tap, , ,. then hold down the button for about a second. While still holding and Start, press and hold the  button. While holding these three buttons, press or  to select the EX character. Only the four aforementioned characters have EX versions.

Fight Nightmare Geese
Fight and beat every character up to Krauser with no losses under these conditions:


 * Arcade: Score over 750,000 points when Krauser is defeated and never get a grade lower than a B
 * NeoGeoGet at least 3 SSS Rankings,2 AAA Rankings during the matches. Score over 1,000,000 points when Krauser is defeated and never get a grade lower than a A.

Play as Geese and Iori
Defeat Nightmare Geese in arcade mode, then go to the character select screen and press on Billy or Krauser. Billy will turn to Iori and Krauser to Geese.

Dip Switch Settings
Highlight the Sound Test and press. Certain switches can unlock Geese and Iori without defeating Nightmare Geese, gives the player extra power in the power meter and using,  or the former two while in the air to activates special and super moves.

Omake Menu
Finish the game once with any character in Arcade Mode or Survival. The first option in the menu is unlocked when a character finishes Arcade Mode specifically. The second option is unlocked when the character finishes the game without using any continues. The third option is unlocked when a character finishes Survival specifically.

Play as White
Use this code for the Game Shark:

D019AD30 0A00 801A1252 0016 D019AD30 0A00 801A1256 0016 D019AD3C 0A00 801A1254 0016 D019AD3C 0A00 801A1258 0016

Fight Alfred
Win 10 fights without and losses, score over 750,000 points and performed either 5 P.Power moves or 7 S.Power moves. After you face Geese or Krauser in the final battle you will face Alfred in a bonus fight.

Fight and Play as Alfred
Get to the 8th stage without continuing, KOing opponents with either three P. Power attacks or five S. Power attacks. five times. Face Alfred in the 9th stage and defeat him and he's an unlocked character.

Play as Lao
Lao's only available in two player mode. Select Alfred and hold for more two seconds.

Play as the EX Characters in RBFFS
After the demonstration screen has played into the ranking screen, go to the character select screen. Select Andy Bogard, Billy Kane, Blue Mary or Tung Fu Rue and hold psx: L1 and press psx: X or psx: C. Only the four aforementioned characters have EX versions.

Play as Alfred in RBFF2
Hold psx: L1 over any of the characters and press psx: X or psx: C.