Fate/complete material IV Extra material

An extra material books that came after the three other Fate/complete material books that was announced in the promotional paper inside Fate/complete material III.

The book contains information on Fate/unlimited codes, Fate/tiger colosseum, Fate/tiger colosseum UPPER, Fate/EXTRA, Fate/Zero and information of an online MMO game called Fate/Apocrypha that was later canceled and released as a light novel instead.