Dead or Alive 4 Classics Xbox 360 Cheats
Change various facial and other aspects of a characters
First select a character, but instead of pressing the A button again, press X, Y, or Start and it will show the character (however it will not show the changes). press A again to start the match.
These changes are mainly face related things, like hair style, hats, masks and so fourth. Not all characters have three different things, or necessarily any changes at all.
Level Effects Change
Just like with the costumes, pressing the X or Y at the level select screen will change effect of the level. For example it will turn off explosive ropes on the Wrestling Ring for example.
Unlock Tatami Stage
Get all costumes and complete each character's exercise (including unlockables) to get access to the Tatami stage for use outside of Sparring mode, this will only work if the outlined achievements are obtained.