catch all the Pokemon, some Pokemon will need to be caught on Sapphire and traded.
You have to catch 151 pokemon to complete the pokedex.
you need to find 210 Pokemon to complete the pokedex
you have to complete the first pokedex
There is only one legitimate way to complete the Sinnoh Pokedex. To complete the Sinnoh Pokedex you must trade for the missing Pokemon with Pokemon Diamond, Pearl or Platinum.
Complete the Pokedex
first it is the pokedex and look on pokemon.com they have a pokedex page
First complete the sinnoh pokedex, 210 Pokemon
Last time I checked, only in Emerald did you have to capture every Pokemon for the PokeDex to be complete.
you find all the Pokemon
You have to complete the Sinnoh pokedex before haveing the national pokedex.
you have to beat the Pokemon champion and later on in the game you will complete it
To complete the pokedex