play the pokeflute to the snorlax in front of it
go through victory road with all gym badges
You have to go through Victory road and at the end go up and go through a very easy maze (when you are in victory road i suggest to bring max repels to hold of all the wild pokemon)
you should go to gamestop
they are pass victory road to get to victory road you go to the west of viridian city then get all badges and get surf and strengenth
You have to go to Silph Co in Pokemon LeafGreen. You have to go there to get the Silph scope, which you need to advance.
you cant go underwater in leafgreen!!
Watch leurois Pokemon leafgreen walk through part.
go to the Pokemon fan club and they will admire you.
Cinnabar island
no but if you have Pokemon fireredor leafgreen you can go to cereleun cave and catch it the trade it to emerald once you get very far into the game
Just insert LeafGreen then go to Wayward Cave [under Cycling Road] and search around.There are mostly gible and geodude but with LeafGreen there are mostly sandshrew. Or you could migrate it from Kanto or Hoenn.
go sell it at gamestop