you have to have an AR/action replay. but for the people that do out on 999 master balls then go on your game and open the menue (which you press x)then press L and R then go to you master balls you should hav like 394 or some thing then go to your poke dex and look at the Pokemon you want the deposite enough master balls to match its number then walk in grass then ta da you should find the Pokemon you wanted
you have to catch all of the pokemon in diamond or SEE all of the pokemon
The only way you can see all the Pokemon on diamond is by going into the GTS and global trade different Pokemon.
All of what?
You can get Pokemon diamond for PC from www.roms.zophar.net/Nintendo-ds/all
you've gotta be crazy if you think someones gonna write all the Pokemon you can catch in diamond
no way
there is no such code.
yes
then you beat the game
no you cant get cheat for all the pokemon.
No, not all Pokemon in Diamond can learn Hyper Beam.
Pokemon diamond