As of 2026, community efforts continue:
In Citra, you "archive" your DLC by selecting File > Install CIA and navigating to your backup files. 3ds dlc archive
Nintendo used a unique system for 3DS DLC: As of 2026, community efforts continue: In Citra,
The refers to community-driven efforts to preserve downloadable content (DLC) for Nintendo 3DS games. Unlike physical cartridges or base digital games, DLC was distributed exclusively online through the now-defunct Nintendo eShop (closed permanently in March 2023). Without preservation, most 3DS DLC would become permanently inaccessible. As of 2026
: For some "hidden" or specific region-locked content, you may need to enable Game Patching