If you are looking at a download or listing with this title, it generally offers:
: NSP files are the standard format for digital titles on the Switch. They can be installed using various homebrew tools. Astral Chain SWITCH NSP [Update]
: Bundled "Update" files allow users to install the game and its patches in one go rather than searching for them separately. Technical Context If you are looking at a download or
: A bundled file that brings the game to its final version, often including bug fixes or performance optimizations. Astral Chain SWITCH NSP [Update]