You usually cant because you enter codes in Pokemon mystery dungeons its called Wondermail.
Get a game genie.
No
the same way you do in diamond and perl
u cant its only on gba games sori
if you look on youtube and type in Pokemon diamond(pearl) cheat codes and youlle find a lot of codes pause the video and write down the code then enter it on action replay if you look on youtube and type in Pokemon diamond(pearl) cheat codes and youlle find a lot of codes pause the video and write down the code then enter it on action replay
You will have to enter codes for every Pokemon sepeately, there is no code that gives you all of the at once
you can enter codes for those Pokemon by buying an action replay cartridge for Nintendo ds. { can be found at EB Games, GameStop Ebay.com and other places.}
what u need 2 do is get ur action replay go to Pokemon diamond. then press add new code
Well first you need to have a A.R.(Action Replay) then you enter your code for the game and pick which one you want to activate! I suggest looking in youtube for A.R. codes in diamond!
You can't enter them in diamond. you have to buy an action replay and enter them in there
You can find the codes for that on supercheats.com or gamespot
just get codes and put it in your ar