We recently benchmarked The Witcher 3 for GPU performance and remarked that the game was horridly optimized, taking the opportunity expand on the graphics settings in a limited fashion. Photographers may be familiar with the likes of chromatic aberration and vignetting, but not many games have offered these items for tweaking in the past.
The launch of the Witcher 3 introduced a couple of game graphics options that aren't very commonly available in settings menus.