In Ben 10 Ultimate Alien: Cosmic Destruction for the PS3, PSP, Xbox 360, and Wii, there are several cheat codes you can use for various effects.
Note that once you turn on cheats, you won’t be able to get any achievements/trophies on that saved game again. You’ll have to either start a new game, or go back to a previous save.
To enter cheats, go to the main menu or pause the game and select the Cheats option from the menu, and enter the following for the desired effect:
1 Million DNA – cash
Enemies Hit Much Harder – hard
Energy Regenerates – energy
Health Regenerates – health
Level Select – levels
Unlock All Characters – characters
Unlock Four Arms Form – classic
Unlock Rath Form – primus
Upgrade All Forms to Max – upgrade