How to Play DS Game Roms Using an Action Replay

Written by nick grimes
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How to Play DS Game Roms Using an Action Replay
Play home brew game ROMs on your Nintendo DS. (travel lobby image by Radu Razvan from

Adventurous players of Nintendo's DS hand-held games machine have created a wide range of "homebrew" software: fan-made applications for the system. One popular category of home brew software is the indie game scene. Home-made Nintendo DS games can be downloaded in ROM form, and these ROMs can be played using third-party hardware. Once you've downloaded ROM games, the popular Action Replay DS Media Edition cheat cartridge can be used to launch the games without installing any additional software.

Skill level:
Moderately Easy

Things you need

  • Computer with Internet access
  • MicroSD card
  • MicroSD card reader
  • Action Replay DS Media Edition
  • Nintendo DS

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  1. 1

    Insert your MicroSD card into the reader (sold with the Action Replay cartridge) and connect to your computer.

  2. 2

    Copy your game ROMs to the root directory of your MIcroSD card. A CD of home brew games and apps is packaged with the Action Replay Media Edition; further home brew games can be downloaded from the site in the Resources section.

  3. 3

    Eject and remove your MicroSD card and insert into the Action Replay cartridge.

  4. 4

    Insert the Action Replay cartridge into your Nintendo DS and turn the system on. Select "Files."

  5. 5

    Select the game you wish to play by tapping it with the stylus or navigating through the list with the D-pad then choosing with the "A" button.

Tips and warnings

  • It is illegal in some countries to download or use ROM versions of commercially available software if you do not own the cartridge itself. Only download games you are authorised to use on your Nintendo DS.

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