Create a dedicated folder on your storage drive labeled "3DS ROMs". Place your into that folder.
Downloading ROMs or CIA files for games you do not own is considered copyright infringement in most jurisdictions. Legally, the safest and most accepted method is to use homebrew tools like GodMode9 to dump your own legally purchased physical cartridges or eShop titles directly from your personal 3DS console.
CIA files are preferred for custom firmware (CFW) users. They are decrypted, allowing them to run on any region-locked console, and they support game updates, DLC, and save data management directly through the 3DS system menu. 3DS ROMs vs. CIA Files: Key Differences Installation Run from flashcart Installed to SD card System Menu Appears in flashcart menu Appears in home menu Region Lock Often enforced Removed (region-free) Updates/DLC Harder to manage Fully supported Best For Flashcart users Custom Firmware (Luma3DS) How to Play 3DS Games in 2026
If you choose to proceed with emulation or CFW, follow these best practices to avoid issues.
While using 3DS ROMs and CIA files can offer several benefits, there are also risks associated with their use. These include:
To install a CIA file, follow these steps:
Virtual Console injects and custom homebrew applications (like save managers or media players) are packaged as CIA files. 3. 3DS vs. CIA: Which Format Should You Choose?
: They contain the full game data but cannot be "installed" directly to the 3DS home menu like a digital app. 2. .CIA Files (CTR Importable Archive)
CIA files are meant to be installed on a 3DS console running Custom Firmware (CFW) , such as Luma3DS.
: They appear on the HOME Menu just like official digital purchases. No Extra Hardware
Select SD , then open your cias folder.
To install CIA files, your 3DS must have via Boot9Strap and Luma3DS . Here is the standard workflow: