
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 XIII is a science fantasy role-playing video game developed and published by Square Enix for the PlayStation 3 and Xbox 360 consoles and later for the Microsoft Windows operating system. Released in Japan in December 2009 and international in March 2010, it is the thirteenth title in the mainline Final Fantasy series. The game includes fast-paced combat, a new system for the series for determining which abilities are developed for the characters called "Crystarium", and a customizable "Paradigm" system to control which abilities are used by the characters. Final Fantasy XIII includes elements from the previous games in the series, such as summoned monsters, chocobos, and airships.

Final Fantasy XIII-2 is a role-playing video game developed and published by Square Enix for the PlayStation 3 and Xbox 360. It was released in 2011 in Japan and 2012 in North America and PAL regions, and was ported to Microsoft Windows in 2014 and iOS and Android in 2015. XIII-2 is a direct sequel to the 2009 role-playing game Final Fantasy XIII and part of the Fabula Nova Crystallis subseries. It includes modified features from the previous game, including fast-paced combat and a customizable "Paradigm" system to control which abilities are used by the characters, and adds a new system that allows monsters to be captured and used in battle. The game's plot features a heavy time travel element, allowing the player to jump between different times at the same location or different places at the same time. Lightning, the protagonist of the original game, has disappeared into an unknown world. Her younger sister Serah Farron and Noel Kreiss journey through time in an attempt to find her.

Final Fantasy XV is an action role-playing game developed and published by Square Enix. The fifteenth main installment of the Final Fantasy series, it was released for the PlayStation 4 and Xbox One in 2016, Microsoft Windows in 2018, and Stadia as a launch title in 2019. The game features an open world environment and action-based battle system, incorporating quick-switching weapons, elemental magic, and other features such as vehicle travel and camping. The base campaign was later expanded with downloadable content (DLC), adding further gameplay options such as additional playable characters and multiplayer.

Final Fantasy Agito was a role-playing video game developed and published by Square Enix for mobile devices. The game's story was set in the universe of Final Fantasy Type-0, and was an entry in the Fabula Nova Crystallis subseries. A downloadable episodic game similar to Final Fantasy Dimensions, it featured a turn-based combat system encouraging both single-player exploration and multiplayer combat. There was a day-night cycle tied to the real-world time of day, and it featured a social element whereby talking with and befriending certain characters advanced the player's ranking in the game.

Final Fantasy Awakening was an action role-playing game developed by Perfect World Games and Square Enix for iOS and Android. It was first released in China by Perfect World in December 2016, with releases in other languages including English over the following two years from other publishers; its English release was the first Final Fantasy title to be licensed by Square Enix to another company. The English version closed in 2019 due to service changes, and all other versions shut down in May 2020 with the end of the licensing deal.

Final Fantasy Type-0 is an action role-playing game developed and published by Square Enix for the PlayStation Portable (PSP). Released in Japan on October 27, 2011, Type-0 is part of the Fabula Nova Crystallis subseries, a set of games sharing a common mythos which includes Final Fantasy XIII and Final Fantasy XV. The gameplay, similar to Crisis Core: Final Fantasy VII, has the player taking control of characters in real-time combat during missions across Orience. The player also engages in large-scale strategy-based battles on the world map, and has access to a multiplayer option during story missions and side quests.

Lightning Returns: Final Fantasy XIII is a Japanese action role-playing game developed and published by Square Enix. It is a sequel to Final Fantasy XIII-2, concludes the storyline of Final Fantasy XIII, and forms part of the Fabula Nova Crystallis subseries. It was released in 2013 in Japan and 2014 in North America and PAL regions, and was ported to Microsoft Windows in 2015 and iOS and Android in 2016. Lightning Returns employs a highly revamped version of the gameplay system from the previous two games, with an action-oriented battle system, the ability to customize the player character's outfits, and a time limit the player must extend by completing story missions and side quests.