Fallout-themed Doom mod Vault 666 has multiple endings, an OP Dogmeat companion, and a Ron Perlman-impersonating narrator so good, I was worried it was AI-generated at first ...

If you're keen to grab the mod and put some Half-Life into your Fallout 4, head over to Nexus Mods where you can download it. Alternatively, check out our list of the best Fallout 4 mods.

After you download this mod a file will appear inside of your MISC inventory labeled "Fallout 4-76 Enable". To activate the mod all you have to do is open it up that Holotape from the Pip-Boy menu.

The mod itself is really easy to install and configure. If you want to download the Fallout 4-76 experience, you can check out the official Nexus Mods listing right here!