Nintendo Ds Archive.org (iOS)

Since Nintendo shut down the official DS online services years ago, the Archive has become a repository for:

However, the existence of these archives exists in a contentious legal space. Nintendo, a company known for its stringent protection of intellectual property, views the unauthorized distribution of its ROMs as piracy. From Nintendo’s perspective, a game downloaded from archive.org is a lost sale, and a violation of the copyright that protects their creative works. They have historically issued takedown requests and pursued legal action against ROM sites, arguing that their IP rights are absolute. nintendo ds archive.org

Vital for games with complex controls or lore that wasn't included in-game. Since Nintendo shut down the official DS online

When searching, use the "Sort by Views" or "Sort by Date Archived" filters to find the most vetted and complete collections, as "Nintendo DS" will return thousands of individual, fragmented results. If you'd like, I can help you with: Finding compatible emulators for your device. Understanding the legalities of digital preservation. Tips for formatting an SD card for DS homebrew. They have historically issued takedown requests and pursued

archive.org/details/softwarelibrary:nintendods (Official curated DS software library)