I still greatly enjoy defiance but many older titles do not have the graphic options afforded in newer games.

Not sure if this is something frowned on by devs or not. I use this on other games but it was not supported for defiance but after a couple tries got it working. This is not a cheat but a post processing injector to allow better anti-aliasing etc in older titles.

Of course each person has different ideas on what they find appealing, there are hundreds of options for setting up the graphics.

Still tweaking the settings but here's a comparison: