Here are some cheats and tips for the game Fatal Fury.
Unlimited continues:
Hold Up and press A + B + C when
the number of remaining credits is displayed at the continue screen.
One additional continue will be added each time this controller
action is completed.
Perpetual fight:
Choose the “Control” selection on the options screen.
Highlight the “Point” option. Hold B and set
this value to “0”. Start a two-player versus battle
mode game. The point globes will be replaced by counters that
represent the number of rounds that were won. Reset the Genesis
to end the game.