Here are some cheats and tips for the game Dragon Ball Z Legends.
Character Select
In the title screen, press and hold X+Y+Z+START. Now you can choose
the “SP battle” mode in the menu screen and you have will all the
characters clear.
Clean Pause
When you are playing, press START, then hold X button. (Try, with
controller one and controller two, press START button quickly and
many times during the game; you’ll see a lot of letters in the screen.)