“Here There Be Monsters” – The Call Of Cthulhu for Elder Scrolls: Skyrim. As a mega-mod for this famous videogame, unofficial of course…

Strange things have begun to happen across Tamriel. Barbaric cults have begun to practice ancient rites in the dark places of Skyrim. Monsters have grown huge and terrible in the ashes of Red Mountain. And there are whispers across Solstheim of an ancient city name R’lyeh…

Looks great and weighs in at over 700mb, and is now reasonably mature after six years of work. A new major version was just released, the first in a year.