In Leaf Green And Fire Red, for Johto Pokemon you need the national pokedex; this was obtained when you gave the blue and red gems to Celio in Island 1
Magmar, Bellsprout, Weepinbell and Victreebell are only FOUND on Pokemon Leafgreen. All Pokemon are available if traded.
All the Sinnoh pokemon and Unova arent available.
all legendary pokemon is available............
Yes, all the TMs that were in Pokemon X and Y will be available as TMs in Pokemon Omega Ruby and Alpha Sapphire.
To beat Pokemon games, you have to beat the Elite Four and catch all the Pokemon available in that game.
With the introduction of Pokemon Silver, 150 new Pokemon were made available. These, however, are only the Johto region Pokemon. All Kanto region Pokemon are also available in Pokemon Silver, bringing the total available Pokemon up to 251. Edit: Only 100 new Pokemon were introduced in Pokemon G/S/C.
The Legendary Pokemon available in Pokemon X/Y are:Xerneas (X only)Yveltal (Y only)ArticunoZapdosMoltresMewtwoZygarde
You can go to Battle Zone or try to catch all the available Pokemon
The legendary pokemon available to you in this version of pokemon are located in these areas: Power Plant, Seafoam Islands, Mt Ember, Cerulean Cave. Also after becoming a pokemon champion at the pokemon league you can find an Entei/Raikou or even Suicune depending on what starter pokemon you chose Entei is available if you picked Bulbasaur and Raikou is available if you picked Squirtle and Suicune is available when you chose Charmander.
Oddish,Gloom,Doduo,Pikachu,Natu,Wobbuffet,Goldeen,Seaking,Psyduck are the pokemon available ..:)
Beat the Pokemon League, and you will be able to find all but one of the fossils of the ancient Pokemon. (For Diamond, all but Shieldon's fossil are available)
the ones released after Pokemon gold and silver. Namely Groudon, Kyogre, Manaphy, Dialga, Palkia, Arceus, Darkrai, and Latias( all legendary). About half of all the 493 Pokemon are not available. Sorry