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I looked in the options and there you can switch CRUEL PRODUCTION on or off.

But switching this option ON or OFF, only changes the color of the blood of the demons from violet to green or the other way round.

So what is uncut? What difference does it make if the blood ist green or violet?
Is it uncut when it's switched to ON or is it uncut when it's switched to OFF?

What makes the difference besides the color of the blood of the demons?
You can't shoot other NPCs so you never have red blood.

This makes no sense.
This question / problem has been solved by Novotnusimage
You get more content:
- All the DLCs,
- Additional part of the story (bedtime story).
So it's more like 'Director's Cut' than Uncut as in uncensored.