Things You'll Need:
- DS game
- Nintendo DS
- Action Replay DS
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Step 1
Examine the game cartridge. The identification code is printed on the back in black ink beneath the Nintendo logo. If it has smeared or is otherwise unreadable, continue to Step 2.
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Step 2
Insert the Action Replay DS into your DS and turn it on. When it loads to the home screen, remove it, leaving the system powered on. You will be prompted to insert a game cartridge.
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Step 3
Insert your game cartridge into the DS. The screen will change to display the words "Unknown Game" in a green bar beneath the Action Replay DS logo. The game's identification number will be located below that green bar.










