Action Replay code?

On the starting screen you press the * button and then it should list all of the games.go down to the game you what then press a.at the start it should say .click on it then enter the name of the code.then enter the code.how to add new games:connect the nintedo ds to the computer. Put the cd in and install the action replay code manager.then go over to subcriptions ad press us codes or what ever country you are in.it will list a lot of games.left click ad hold to drag it over to your listed games.the games you got will come with some good codes.how to enter them on a computer with copy and paste:after you install it on your computer get the software upgrade.if your computer isnt installing it, it is probably because it does not work on windows vista.after you install it on your computer drag your pokemo game from your list to your custom game list.copy the cheat and then right click on your Pokemon game on custom codelist and click on add new cheat. Then name your cheat,and paste the code.hope that helps

Wow, I not think that even I could have explained it more detailed then Brookfang, so congrats to him for explaining it so well.

Just wanted to add something, when you use the Materball code, press L and R at the same time, and check to see if they're in your inventory, and when you see that they are, save it, and turn it off, then turn it back on without the codes, safer that way.

You need the action replay device. (Buy-able at any game selling store).

A booklet comes with it that shows you have to enter them into the game from here, so happy cheating ;)

-Hope that helped