First, you must beat both of the hidden bosses. Then, highlight Arcade Mode. Press X and Y, and then press start.
Custom Grooves
To unlock the Custom Grooves, you need to beat the Normal Bosses (Akuma or Regal). TO fight them,you must do at least 2 of the following:
Get over 1000 GPS Get four or more special KOs Get two or more LV3 super combo KOs See Middle Boss
Extra Options
Beat Boss Challenge Mode without using a continue to unlock the Extra Options menu.
Hidden Bosses
To get Ultimate Rugal (Capcom Groove) or Shin Akuma (SNK Groove), beat them. In order for them to appear, you must have done at least two of the following:
Get over 1500 GPS Defeat Geese or Bison/Vega Get one Finest KO.
