XCI (NX Cartridge Image): These files are clones of the physical game cartridges. They are often used by players who prefer to keep their "cartridge" library separate from their digital "installed" library.
Sonic Frontiers on the Nintendo Switch has received several major free content updates and DLC packs since its 2022 release . For US players, the most stable and feature-complete version is , which includes the massive "Final Horizon" story expansion . Core Game Versions & File Types sonic frontiers switch nsp xci dlc update us