you can't find all the Pokemon on the national pokedex. it's imposible unless you trade with your friends. if you don't have any friends don't play the game
prass start abababbaaa
get all the Pokemon in the pokedex then talk to birch
either you hack it or you unlock all of the areas and find every single Pokemon
You find the ruby and give it to celio
you Cant... got to trade with Fire red!
use a code
after you catch all the Pokemon and beat the eleat fore mewtwo gives it to you
i dont no
you have to do some trading, go to your nearest walmart or game crazy and buy it there
all of them woohoo
All starters, including Bulbasaur, can't be caught in Pokemon LeafGreen.
You can find Pokemon from Generation 1 and 2 there is one Pokemon you can get from Generation 3 but only if you have been to a Nintendo event (it's Deoxys btw).