There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
I don't now but I believe that you can catch as many as you want when you encounter them.
No not every pokemon. You can't catch the starter Pokemon and many of the rare pokemon, you have to trade with Diamond. sorry ...
Find a Flying-type Pokemon and catch it. There are plenty of them in each game and many Flying-type Pokemon are common Pokemon, so you shouldn't have trouble doing so.
No because the man who teaches you how to catch Pokemon will not show you how to catch Pokemon no matter how many times you talk to him plus if he does show you how to catch Pokemon and you go to cinnibar island and try to find missingno it still will not show up ever.
there are 9 avilable legendary in pokemon b/w zekrom reshiram cobalion terrakion virizion tornadus landorus thundurus kyurem
That question was answered many times, except the question was never asked. There are still millions of Pokemon left to be discovered, and you just have to find them. In other words, you will never know how many legendary Pokemon there are until you finish the entire game. (Which took me a few days to finish!) There are many lengendary Pokemon! There are a lot of other lengend Pokemon when you have the national pokedex!
Since Eevee is a wild pokemon in Black and White 2 you can catch as many Eevee as you'd like. Eevee's can be found in the Castelia Park at the end of the Castelia Sewers.
In the Pokemon game, The two have the same ammount of pokemon to catch. My preference is the black Pokemon although it varies to many.
Nintendo created 152 new Pokemon. There are only some which you can catch and some which you have to evolve a Pokemon you caught. You can also catch tons of other Pokemon after beating the Pokemon League so unless you count, no one really knows.
you can catch as many legendary Pokemon but only once unless you have it on the computer
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
I don't now but I believe that you can catch as many as you want when you encounter them.
Start by getting a lot of pokemon balls and then catch as many Pokemon as you can. Just catch Pokemon till you get to 200.
No you cannot. It is one of many Pokemons exclusive to Pokemon White. If you want a full list of those, Google "version-exclusive Pokemon" and click the Bulbapedia link.
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you don't need to catch them just see all the Pokemon in the hoenn pokedex