Get ready... Fight! It had to happen. While many games makers are perfectly happy for customers to play with released titles, express their creativity and circulate MODs in their communities, Tecmo are having none of that nonsense.
Hackers sued for tinkering with Xbox games | The Register
A lawsuit under the US DMCA has now been issued against the now defunct website ninjahacker.net because users were swapping "skins" that changed the appearance of game characters.
Dead or Alive Xtreme Beach Volleyball is one such title that you will now MOD at your peril. Its no small irony that the original title has enough T&A on display to class as soft porn as-is.