Creative Business Unit IV (第四開発事業本部, Dai Yon Kaihatsu Jigyō Honbu?) is an internal development division within Square Enix. Formed from the merger of Business Divisions 8, 9 and 10, Creative Business Unit IV focuses on mobile and browser-based titles, as well as the Mana series, remasters and remakes, and other original titles.
It was managed by Hirokazu Nishikado until Kei Hirono took over sometime in 2022. The studio was renamed to Creative Studio 4 in April of 2024 as part of a re-organization within Square Enix.
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