Emerald.
You cant get a kanto starter on Pokemon sapphire but if you have Pokemon emerald then you complete the pokedex then you get a choice of starters from the johto region. I hope this helped.:)
yes,it is the hoenn pokedex you can get only in ruby,sapphire and emerald.
U Will Need Gameshark Codes To Complete The Pokedex In Pokemon Emerald.
If you want to fill your pokedex, you must trade between Ruby and Emerald to gain the Pokemon that are not in Sapphire.
To complete hoenn pokedex you do not need JIRACHI & DEOXYS at all.you can't get all Pokemon on Pokemon emerald so TRADE or CHEAT !!
go to Google and search Pokemon sapphire pokedex and it will give you a list of all the ones you can catch, you can also search for a national pokedex and look for treeko and that is the beginning of the sapphire/ruby/emerald pokedex(heres a link of the best one ive found sofar ... http://Lloyd.truepath.com/Jonathan/PKMNRS_Pokemon.htm ... ) go to Google and search Pokemon sapphire pokedex and it will give you a list of all the ones you can catch, you can also search for a national pokedex and look for treeko and that is the beginning of the sapphire/ruby/emerald pokedex
You need a game sharkYou need a game shark you can also get them from emerald but you have to complete the pokedex in emerald to get oe of the three starters from pro. berch
trade it from ruby sapphire or emerald after getting the national pokedex.
http://www.serebii.net/pokedex-rs/
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from the fight area to the survival area and you may also migrate from ruby sapphire emerald migrate is to put Pokemon ruby sapphire emerald instead of the cover but you must put 6 Pokemon in the PC in ruby sapphire emerald then select in Pokemon platinum migrate from ruby or sapphire or emelard
Last time I checked, only in Emerald did you have to capture every Pokemon for the PokeDex to be complete.