1) Connect cable to cable-shape outlit marked 'EXT.' on gameboy.
2) Likewise on opposite gameboy.
3) Visit any Pokemon center (on both games) and talk to the lady at the counter on the right. She blocks the way to the room and will let you in once you & your friend are both linked up and both speak to her.
4) Choose option (trade / battle).
5) Enjoy.
Chat with our AI personalities
yes
You have to link two Gameboys with a link cable. The other Gameboy must have the Pokémon Red, Blue, Yellow, Silver, Gold or Crystal cartridge in it.
There is a opening in the link cable for another link cable to be inserted into that which then can transfer to the other GBA's.
There isn't a link cable. It's all Wi-Fi.
Yes you can link battle between Pokémon Blue and Pokémon Crystal however you can't use Johto-introduced Pokémon or Johto-introduced attacks though.