The technical hurdles of maintaining a 3DS DLC archive are significant. DLC on the 3DS is often tied to the specific region of the console (NA, EU, JP) and the specific revision of the game. Furthermore, the 3DS utilized a unique encryption system. To make the archived DLC functional for users on modded consoles or emulators, preservationists had to strip the encryption or generate "fake" tickets to bypass the ownership checks. This is where the legal and ethical lines blur. While the Digital Millennium Copyright Act (DMCA) and similar international laws often prohibit the circumvention of DRM, the Library of Congress in the United States has carved out exemptions for video game preservation. The 3DS DLC archive exists in this gray area: it is technically a breach of terms of service, yet it is the only method ensuring that this history is not lost to corporate server shutdowns.
This game featured over 200 songs. Over 90 of them were paid DLC from other Square Enix franchises (Chrono Trigger, SaGa, Nier). Those songs are now abandonware. The archive ensures you can still play "Battle with Magus" or "One-Winged Angel." 3ds dlc archive