About.com's Guide to Video Game Cheats has posted some cheats for Dragon Age: Origins
. As Jason states in his instructions you'll need to make changes to some files that are installed so it's best to make backup copies prior to editing just in case. There are more than a dozen cheats listed including God mode, heal party, and kill all hostile creatures in area just to name a few. For full instructions on how to enable cheats for Dragon Age: Origins for the PC be sure to visit About.com's Video Game Cheats site.
Dragon Age: Origins PC Cheats