is a 2015 role-playing game in the Hyperdimension Neptunia series. It was released in Japan on April 23, 2015, in North America on February 2, 2016, and Europe on February 12, 2016. The Windows version was released on July 5, 2016. A Nintendo Switch version was released in Japan on March 19, 2020, and was released in North America and Europe on July 28, 2020. The game begins with Neptune and Nepgear being transported from the Hyper Dimension to the post-apocalyptic Zero Dimension, where they team up with local CPU Uzume Tennouboshi to defeat the giant Dark CPUs and return home. They eventually uncover a scheme that threatens both dimensions. Gameplay The game features a new battle system with a different combo structure to previous games, although some similarities still exist. The gameplay places strong emphasis on the positioning of characters. Each goddess character has a "Next Form", which is an additional transformation phase on top of their existing goddess transformations; these forms cause changes to combat style, in addition to character personality changes. Battles are a four-member party "Unit Turn-based" system. When it becomes the player's turn, they can select a character and move freely within the battlefield. Guild At the Guild within a city, the player can accept requests from various people as Quests. To complete a quest, one must fulfil the contents of the quest, then report back to the Guild. By completing quests, the player will receive items and Credits, as well as the shares of each nation increasing. Plot The game is separated into three individual chapters with different stories for each dimension, each with a unique title: Zero Dimension Neptunia Z: Twilight of the Desperate CPU With the era of peace continuing throughout the world of Gamindustri, Neptune, the ruling Console Patron Unit (CPU) and Nepgear, her sister and CPU Candidate of the nation of Planeptune resume their lives of laziness despite warnings from their Oracle, Histoire. She warns them that the world is entering the 'CPU Shift Period', where the public will attempt to discredit and oust their CPUs in favor of newcomers. However, before Neptune and Nepgear can prepare properly, they stumble across an old video game console which, when activated, transports the pair to an alternate dimension; the Zero Dimension. Upon discovering this new dimension is a ruined wasteland inhabited only by monsters, the two are surprised to find a survivor,