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digdat0 edited this page Nov 7, 2026 · 1 revision

MKDD-NX plays the USA game, which is in English. The European (PAL) disc also has the game in French, German, Italian and Spanish, and MKDD-NX can use those languages: copy them from your own PAL disc with MKDD-NX Tools, put them in the mods folder, and pick one in the − menu.

The language files are Nintendo's, so they can't be included with MKDD-NX: they come from your own disc, like the game itself.

What you need

  • Your own dump of Mario Kart: Double Dash!! (Europe), game ID GM4P01, as .iso, .gcm, .ciso or .rvz. Only its language files are read; you keep playing from your USA disc image.
  • MKDD-NX Tools (Windows or Mac) from the latest release.

Copy the languages

  1. Open MKDD-NX Tools and its Languages tab.
  2. PAL disc image: Browse... to your European disc image.
  3. Output folder: any folder, for example your Desktop.
  4. Extract languages. It writes a lang folder with all four languages (about 26 MB):
lang\
    French\     AwardData\, CourseName\, MRAM_Locale\, SceneData\
    German\
    Italian\
    Spanish\

From the command line: MKDD-NX-Tools --languages <PAL disc image> <output folder>.

Install them

Copy the whole lang folder into MKDD-NX's mods folder:
Switch sdmc:/switch/MKDD-NX/mods/lang/
Windows mods\lang\ next to MKDD-NX.exe

You can keep only the languages you want: delete the others' folders.

Pick a language

  • Switch and Windows: − menu > Mods > Language: ENGLISH, FRENCH, GERMAN, ITALIAN or SPANISH (only the installed ones are offered). Then Restart now: the game loads its language when it starts.
  • Windows: the launcher's Mods page has the same Language choice.

The game's menus, titles, course names, award screen and memory card messages are then in that language. MKDD-NX's own − menu stays in English.

Good to know

  • Standard game only. MKDD Plus and Retro Track Grand Prix bring their own menus and course names, in English: with a level pack picked, the game is in English, and the language comes back when the level pack is set to OFF.
  • Saves are the same in every language.
  • LAN play keeps the USA game's region settings, so machines in different languages should play together (not tested yet).
  • The language setting is saved as language=French (etc.) in config/settings.ini. If its folder is missing or incomplete, the game starts in English and logs/mkdd.log says why (lang: lines).

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