looking for a dmc devil may cry mod tool or editor for credits and so on for the xbox does any exist?
There are a few saves that have a lot with them. http://www.xpgamesaves.com/topic/60989-dmc-all-unlocked-itemsweapons-save-completed-on-easy-2013/ Achivos might pop but it won't spoil the game for you. There are starter saves from the 1st level too.