What you're looking at above isn't real life, but it might as well be. It's The Witcher 3: Wild Hunt running with mods, and an example of how beautiful the game can be when modded running on currently available PC hardware.
Let's be real here, The Witcher 3: Wild Hunt is a pretty game, but can be rough around the edges. At times it looks downright spectacular, even on the hardware constrained console versions. Other times it looks flat and lacking color thanks to a noticeable downgrade in its lighting effects during production.
CineFX is a preset that uses Reshade and SweetFX to push The Witcher 3: Wild Hunt to its boundaries. The image above is a significantly resized image of an originally unaltered screenshot taken at 4K. You can view the image among several others in the most impressive video game screenshot gallery I've personally ever seen here on Imgur.
I decided to try this combination of modifications for myself using my Intel i5 3570k and GTX 970. The below video, recorded using FRAPS, shows raw footage of me playing with nearly all settings set to Ultra. Despite the visual brilliance, the game runs at 60 FPS most of the time. It's staggering.
Here's another video I made where I focus on the water effects and lighting:
If you think your PC hardware is up to the task of running The Witcher 3: Wild Hunt on Ultra with these improvements, you can view the steps for downloading and installing everything you need on the official SweetFX website.
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