it's your opinion
diamond
neither of them is better, they are both the same, but in diamond, you catch dialga, and in pearl, you catch palkia, and you can catch different Pokemon in each game for example: you can catch this Pokemon in diamond, but not pearl but: you can catch this different Pokemon in pearl, but not diamond
the legendary Pokemon in diamond and pearl are dialga and palkia.
I believe it is Pokemon Diamond or Pearl
No, you can't get Pikachu as your first Pokemon on Pokemon Pearl or Pokemon Diamond.
its not
Pokemon Diamond Pearl and Platinum are games in the Pokemon series. There is no secret store in Pokemon Pearl version.
if you mean can you get Pokemon from pearl and diamond and trade them to ruby so you can get diamond and pearl Pokemon on ruby. then no you can not. but you can migrate ruby Pokemon. you put the Pokemon in ruby that you want to put on diamond or pearl in the PC. save it turn off. then go to diamond and migrate them. must be in ds at the same time. pal park.
Generation 4. But there's only been one version of Diamond and Pearl so far.
no but can be traded from pearl
YOU DON'T!You get it from a friend with Diamond version
diamond or pearl or platinum.