Doujin works

'This article details works not officially released by Type-Moon. This is not an all-inclusive list, but rather a reference page for doujin works that have some direct connection to an official Type-Moon work. Please do not add any entries without first confirming some form of connection.

There are many  works relating to Type-Moon. This article deals with those directy referenced by official works.

Gugalanna - The Bull of Heaven
Gugalanna - The Bull of Heaven is a doujin by PFALZ detailing the battle between Gugalanna and Gilgamesh and Enkidu after Ishtar releases it upon them. The design for Gugalanna was officially utilized by Type-Moon in 2017 with Gugalanna's inclusion in Fate/Grand Order.

SWORD DANCERS
SWORD DANCERS is a series created by Himura Kiseki. It follows a version of Illyasviel von Einzbern who has become a Counter Guardian with similar abilities to Archer. Himura drew this character on an end card for episode 6 of the first season of the Fate/kaleid liner PRISMA☆ILLYA anime adaptation.