KP1990: Just bought this game, but I noticed it has steam workshop support on the Steam version
Is there any way to download and play levels made by other users on the GOG version?
Painted_Doll: Have you tried
http://steamworkshopdownloader.com ?
Gonna apologize for the massive necro first off.
I must say that the game has downloads via steamworkshopdownloader forbidden, so that does not work.
However, 2 of the 36 workshop items are also on the game's NexusMods:
https://www.nexusmods.com/butcher Past that, you are flat out of luck unless you don't mind buying the Steam version. Being only $10, I'd say maybe if the custom level scene/community were still active. But as it stands now, it's dead like a well burnt steak.