Article last updated: March 2025. All patch notes verified via Nintendo and Fire Emblem Wiki.
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This paper explores the technical architecture of the 2019 tactical role-playing game Fire Emblem: Three Houses on the Nintendo Switch platform. Specifically, it examines the file structure associated with game updates, downloadable content (DLC), and the distribution format known as NSP (Nintendo Submission Package). By dissecting the relationship between the base game cartridge (or digital base), the application of title updates (UPD), and the integration of add-on content (DLC), this document aims to clarify the technical composition of the game’s software ecosystem. Article last updated: March 2025
