Capcom vs. SNK 2: EO Cheats (Xbox)

Xbox - Capcom vs. SNK 2: EO Cheats

Cheat Codes

Boss Challenge Mode
  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.