: The 3DS has limited RAM. Large Neo Geo ROMs often need to be pre-processed or "cached" (using .neo or specialized formats) to fit within the system's memory constraints during play.
Once you have these prerequisites, follow these steps: neo geo 3ds cia
: Transfer the generated CIA to your 3DS SD card and install it using FBI . Option 2: RetroArch (Single CIA for All Games) : The 3DS has limited RAM
To get started, you'll need: