First you need Windows (😭 I have dual installed for this) and man’s best friend Google

You need to download

  1. The Switch Hactool – github.com/SciresM/hac…
  2. Mobile game ontology.nsp file (Google)

Optional:

  1. The.nsp file for the actison version update (Google it)
  2. Prod. keys (Google) —- Do not post your own key here, it is illegal.
  3. Switch the Toolbox – github.com/KillzXGamin…

Unpack the game ontology + upgrade version

  1. Unzip Switch Hactool and place prod.keys in the same directory as it

  2. Open the command line, CD to your directory, and use the following command to extract the. Nca file from the. NSP file

    hactool.exe -t pfs0 --pfs0dir=base_nca your_base.nsp and hactool.exe -t pfs0 --pfs0dir=update_nca your_update.nsp
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    (Replace “your_base. NSP “and “your_update.nsp” with your own.nsp files)

  3. Then use hex Editor to open the.tik file in the “update_nca” folder and copy the title key at 0x180

  4. Now execute the command line

    hactool.exe -k prod.keys --basenca="base_nca/your_base.nca" --titlekey=your_titlekey --romfsdir --exefsdir="exefs" "update_nca/your_update.nca"
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    (Replace “your_titlekey” with what you just copied, “your_base. Nca “with the nCA file for the largest game body, and “your_update.nca” with the nCA file for the largest version)

  5. Wait for the command to execute, then you can view and export most of the game files using the Switch Tool.

Unpack only the game itself:

  1. Unzip Switch Hactool and place prod.keys in the same directory as it

  2. Open the command line, CD to your directory, and use the following command to extract the. Nca file from the. NSP file

    hactool.exe -t pfs0 --pfs0dir=base_nca your_base.nsp 
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    (Replace “your_base.nsp” with your own game.nsp file)

  3. Execute command line

    hactool.exe base_nca/your_base.nca -k prod.keys --romfsdir --exefsdir="exefs"
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    (Replace “your_base. Nca “with the largest.nca file you just extracted.)

  4. After the command is executed, you can then view and export most of the game files using the Switch Tool.

Hactool prompts: “[WARN] prod.keys does not exist.” You can ignore this warning