Fabula Nova Crystallis Final Fantasy is a series of games within the Final Fantasy video game franchise. It was primarily developed by series creator and developer Square Enix, which also acted as publisher for all titles. While featuring various worlds and different characters, each Fabula Nova Crystallis game is ultimately based on and expands upon a common mythos focusing on important crystals tied to deities. The level of connection to the mythos varies between each title, with each development team given the freedom to adapt the mythos to fit the context of a game's story.

Final Fantasy is a fantasy anthology media franchise created by Hironobu Sakaguchi which is owned, developed, and published by Square Enix. The franchise centers on a series of fantasy role-playing video games. The first game in the series was released in 1987, with 16 numbered main entries having been released to date.