Better known as the N64DD, this was an expansion available for the original N64 that would allow for the loading from discs instead of cartridges.

Largely a commercial failure, never left Japan. But the few titles that were developed and released for it were incredible.

Using libretro-Mupen64Plus-Next

To play N64DD games:

1. First make sure that you have the right N64DD BIOS file at the right location (see above).
2. Place your N64DD cartridge ROMs in /userdata/roms/n64dd. They should have the extension .z64.
3. Place your N64DD disk ROMs in the same /userdata/roms/n64dd. They should have the extension .z64.ndd.
4. While hovering over the game in the gamelist, press [SELECT] and set the emulator to libretro: Mupen64Plus-Next.

Emulators/configuration are the same as the regular N64 emulators.

Using libretro-Parallel64

Libretro-Parallel64 enables standalone N64DD games like SimCity 64 or the Mario Artist series. These aren't expansions but full games running originally on floppy disks. To play these games:

1. First make sure that you have the right N64DD BIOS file at the right location (see above).
2. Place your N64DD disk ROMs in /userdata/roms/n64dd. They should have the extension .ndd.
3. While hovering over the game in the gamelist, press [SELECT] and set the emulator to libretro: Parallel N64 and the Graphics API to Vulkan.
4. Then you can launch the game from EmulationStation

Emulators/configuration are the same as the regular N64 emulators.