Twilight Hack

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The Twilight Hack is currently the only safe, released way to run homebrew on an unmodded Wii.



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  • Correctly loads geckoloader code from USBGecko flash


  • Front SD slot is now supported; SDGecko slot support has been removed.
  • FAT16 is now supported; you should save your ELF executable on your SD card as "boot.elf".
  • RZDJ is now supported
  • Added support for Geckoloader stub: If you have a USBGecko installed and have already run the Geckoloader program to install into flash, then the Twilight Hack will try to load that stub if it does not detect an SD card.

Wii homebrew applications

See Homebrew apps


You will need:

  • 1x Wii
  • 1x SD card, formatted as FAT16
  • 1x copy of The Legend of Zelda: Twilight Princess that has been run at least once
  • 1x Computer
  • 1x Some way to read SD cards on a computer
  • (Optional) 1x or more GameCube controller
  • (Optional) 1x USBGecko

Inside the zip archive, you will find several savegame files; you will need to choose the correct one based on your version of Zelda: Twilight Princess. The easiest way to check your version is to compare the text string which is on the inner cycle of the data surface with the ones below.

  • RVL-RZDP-0A-0 PAL - rzdp0.bin
  • RVL-RZDE-0A-0 JPN - rzde0.bin
  • RVL-RZDE-0A-0 USA - rzde0.bin
  • RVL-RZDE-0A-2 USA - rzde2.bin
  • RVL-RZDJ-0A-0 JPN - rzdj0.bin
  • If it does not already exist, make a directory called "/private/wii/title/RZDx/" on your SD card; replace "RZDx" with RZDE, RZDP or RZDJ as appropriate. Copy the above file into that directory, renaming it as "data.bin".
  • Next, take your homebrew Wii executable, and save it in the root directory of your SD card as "boot.elf".
  • Now, put the SD card into your Wii and turn it on. Go into Wii Options --> Data Management --> Save Data --> Wii. Find your Zelda save, click on it, and click "Erase", and click Yes. Now, go into SD card, and select the "Twilight Hack" save (the icon says "Wiibrew Loader"). Click copy, and yes. Now, go back out of that menu.
  • Insert Zelda, and run the game. Load file A, and walk backwards.


The Twilight Hack works by employing a lengthly character name for the horse in the game ('Epona') in order to facilitate a stack smash. This gets triggered when talking to the man next to you when you start the savegame as he loads the name to use it in his dialog or upon attempting to enter the next zone, before the man talks to you and reminds you to go the other way to get the horse.


  • Can it load files from the internal SD slot?