* The Unofficial Andy Kaufman Book (2011)
* The Book of Cthulhu: A Mythos Anthology (2013)
* Lovecraftian: The Shipwright Circle Omnibus (2015)
* Dracula Unleashed: An Anthology (2015)
* The Return of the Old Ones (2017)
* Dracula's Children (2018)
Short Stories
* "The Call of Cthulhu" (2013)
* "The Shadow over Innsmouth" (2014)
* "At the Mountains of Madness" (2015)
* "The Colour out of Space" (2015)
* "The Rats in the Walls" (2016)
Non-fiction
* The Necronomicon: A History (2012)
* The History of the Cthulhu Mythos (2014)
* H.P. Lovecraft: A Biography (2016)
* The Complete Works of H.P. Lovecraft (2018)
Comic books
* Necronomicon: The Rise of the Ancient Ones (2013–2014)
* Cthulhu: The Deep One's Rise (2015–2016)
* Dracula: The Undead Unleashed (2017–2018)
Video games
* Cthulhu: The Video Game (2017)
* Necronomicon: The Video Game (2018)
* Dracula: The Video Game (2019)