The Fungi from Yuggoth
Tags: Brotherhood of the Beast, Mi-go, Nephren-Ka, NWI, Nyarlathotep
Chaosium: Call of Cthulhu 2 (1984 )
Chaosium: Call of Cthulhu 2 (1987 )

Curse of Cthulhu
Tags: Brotherhood of the Beast, Mi-go, Nephren-Ka, NWI, Nyarlathotep
Chaosium: Call of Cthulhu 4 (1990 )

Delta Green
Tags: 1990s, Delta Green, Karotechia, Majestic-12, Mi-go, Nazis, the Fate, UFOs
Pagan Publishing: Call of Cthulhu 5 (1996 )
Pagan Publishing: Call of Cthulhu 5 (2007 Hardcover)

Delta Green Eyes Only Volume One: Machinations of the Mi-Go
Tags: 1990s, Delta Green, Mi-go, spells, the Moon, Yuggoth
Pagan Publishing: Call of Cthulhu 5 (1998 )

Delta Green: Eyes Only
Tags: Club Apocalypse, Delta Green, Mi-Go, New York, New York City, Philadelphia Project, spells, the Fate, the Moon, Yuggoth
Pagan Publishing: Call of Cthulhu 5 (2007 Hardcover)
Pagan Publishing: Call of Cthulhu 5 (2008 )

Day of the Beast
Tags: Brotherhood of the Beast, Mi-go, Nephren-Ka, NWI, Nyarlathotep
Chaosium: Call of Cthulhu 5 (1998 )

A Resection of Time
Tags: 1990s, Mi-go
Chaosium: Call of Cthulhu 5 (1997 )

Delta Green
Tags: 1990s, Delta Green, Karotechia, Majestic-12, Mi-go, Nazis, the Fate, UFOs
Pagan Publishing: Call of Cthulhu 6 (2012 )
Pagan Publishing: Call of Cthulhu 6 (2012 Hardcover)

Delta Green
Tags: 1990s, Delta Green, Karotechia, Majestic-12, Mi-go, Nazis, the Fate, UFOs
Pagan Publishing: d20 3 (2007 Hardcover)

Adios, A-Mi-Go!
Tags: Mi-go
Pinnacle: Deadlands 1 (1998 )