Born in Stockholm, eighteen year old Fager joined
Äventyrspel in 1982 to travel around the country demonstrating Sweden's first
role-playing game,
Drakar & Demoner, a game that at the time was compared to "improvised radio theatre". Fager wrote ''
, the first role-playing game adventure published in Swedish. He also co-designed board games for the Äventyrsspel'' label, such as '
and '. After among other things an army career, Fager made his debut as a writer in 2009 with the short story collection
Swedish Cults (
Svenska kulter) that received a most favourable review in Swedish newspaper
Dagens Nyheter and launched Fager's career as full-time writer. Fager writes modern urban horror in a style he has repeatedly described as ”what would happen if
James Ellroy took on
H.P. Lovecraft”. Set in present-day Sweden, his interconnected stories form a modern part of the
Cthulhu mythos with entities such as
Dagon,
Hastur and
Nyarlathotep making appearances. Fager's fictional world, known as "The Cult's World", has been made into a
role playing game and a graphic novel and his stories has been worked into the Swedish edition of role playing game
Call of Cthulhu. Fager has been published in Finland, Italy and France. In the 2010s he has written role-playing supplements for such games as
Kult,
Twilight: 2000,
Call of Cthulhu,
Tales from the Loop and the new release of
Chock, originally a Swedish translation of the RPG
Chill. In 2022 Fager and artist
Peter Bergting's graphic novel
The Crows was published by
Dark Horse Comics. and "Swedish Cults" published in the USA by
Valancourt Books. == Awards ==