Fatal Fury: Battle Archives Vol. 1 Cheats

To unlock Ryuji Yamazaki and the Jin twins do the following (Taken from the manual):

During the character selection screen, highlight the following characters in the order listed below and press the square button (LK button) once on each character. You will hear a chime each time.

Terry, Hon Fu, Mai, Geese, Bob, Sokaku Mochizuki, Andy, France, Joe Higashi, Blue Mary.

When done correctly Ryuji and the Jin twins will apprear on the selection screen.

To get the expert mode, press Back, Forward, Back, Forward, then Forward, Back, Forward, Back at the how to play screen.

After losing the final fight on your last continue, change the controller from player one to player two and press Start when the continue timer is counting down. The four continues from player two may now be used. Note: When the game is started, the players will be reversed, with your fighter to the right, and the CPU to the left.