Final Fantasy is a Japanese anthology science fantasy media franchise created by Hironobu Sakaguchi, and developed and owned by Square Enix (formerly Square). Final Fantasy installments are generally stand-alone stories or role playing games, each with different settings, plots and main characters, but the franchise is linked by several recurring elements, including game mechanics and recurring character names.
Main Series
Final Fantasy by x_loto (ENG+JAP)
Final Fantasy II by Agent0042 (Playstation ver.)
Final Fantasy III by Cool Ghost (Nintendo DS ver.)
Final Fantasy IV by Apathetic Aardvark
Final Fantasy IV by MostSeriousness (Nintendo DS ver.)
Final Fantasy IV: The After Years by Zxela404
Final Fantasy V Advance by RandyPandy (GBA ver.)
Final Fantasy VI by Karpah (Playstation ver.)
Final Fantasy VI Advance by ZFS (GBA ver.)
Final Fantasy VII by Suzaku
Crisis Core: Final Fantasy VII by SilentTweak
Final Fantasy VII by Final Fantasy Wiki
Final Fantasy VII Remake
Dirge of Cerberus: Final Fantasy VII by MartinFF7
Final Fantasy VIII by Shotgunnova
Final Fantasy IX by Shotgunnova
Final Fantasy X by Shotgunnova
Final Fantasy X-2 by OKong
Final Fantasy XI by CRtwenty
Final Fantasy XII by piecemealcranky
Final Fantasy XII: Revenant Wings by Cremdogz
Final Fantasy XIII by Artz Lanaria
Final Fantasy XIII-2 by ProfessorTofty
Lightning Returns: Final Fantasy XIII
Final Fantasy XIV by FFXIV Gamerescape Wiki
Final Fantasy XIV: A Realm Reborn by Coral Ferrinas (Balmung) & Erwin Cole (Dialogue collection)
Final Fantasy XV by yu_eriyama (JAP/ENG comparison)
Fabula Nova Crystallis Series
Final Fantasy Type-0
Final Fantasy XIII by Artz Lanaria
Lightning Returns: Final Fantasy XIII
Final Fantasy Agito
Tactics Series
Final Fantasy Tactics by Tbaatar
Final Fantasy Tactics: The War of the Lions by MostSeriousness
Final Fantasy Tactics Advance by GROMABgladius
Final Fantasy Tactics A2: Grimoire of the Rift by PatrickSim
Final Fantasy Tactics S
Dissidia Series
Final Fantasy by Squall_of_SeeD
Final Fantasy by Squall_of_SeeD
Crystal Chronicles Series
Final Fantasy Crystal Chronicles
Final Fantasy Crystal Chronicles (Remake)
Final Fantasy Crystal Chronicles: Ring of Fates by Cremdogz
Final Fantasy Crystal Chronicles: My Life as a King
Final Fantasy Crystal Chronicles: Echoes of Time by AdmiralPo
Final Fantasy Crystal Chronicles: My Life as a Darklord
Final Fantasy Crystal Chronicles: The Crystal Bearers
Final Fantasy Universe
Final Fantasy Adventure
Final Fantasy Mystic Quest
World of Final Fantasy
Theatrhythm Final Fantasy