Instead of relying on the Steam Workshop "Subscribe" button, find reputable third-party mirrors (like Nexus Mods or dedicated Ravenfield fan sites) to download the .rfc files.
To add a bit of grit to the colorful world of Ravenfield, the Gore Mod introduces persistent bloodstains and more impactful hit reactions. It changes the atmosphere of the game from a "toy soldier" simulator to a more intense combat experience. How to Access Mods Unblocked
This is the most critical failing of the "unblocked mods" ecosystem.