It's the system in which Gameboy Advance pokemon games save their data from if you don't have it installed you cannot save the game.
in pokemon blue and yellow
because you need to save your game before trading a put your memory card connected with your gb memory card
change the backup memory
there is one below cerulian if my memory serves me right
Yes you can trade leafgreen version Pokemon to another leafgreen version.
Not in Pokemon leafgreen only in Pokemon Firered never ever in Pokemon leafgreen And in Pokemon firered it is rare in power plant not available in Pokemon leafgreen?
you should go to gamestop
HelloSorry to say but you cant trade Pokemon from pearl to leafgreen but you can migrate Pokemon from leafgreen to pearl via the pal park
On Pokemon Pearl's title screen, if the Pokemon LeafGreen game is in the GBA slot, click on "Transfer From LeafGreen" and you can choose six Pokemon from LeafGreen to transfer to Pearl, but be careful-you can't trade them back.
Manaphy is a legendary water type of Pokemon. It is not possible to get this Pokemon in the game Pokemon LeafGreen.
You can't. In no way is it possible to get Totodile in LeafGreen.
dragonite is the strongest dragon there is in leafgreen