you have to save at a Pokemon center in your gba game and then trade over Pokemon.
If you are talking about the Courtyard Colosseum battles, there's seven in total. If you mean how many Colosseums you have to beat in order to unlock Courtyard Colosseum, there's eight colosseums before it.
I assume you mean Gengar and you get it by trading a Haunter with someone, once traded it will evolve.
if u mean revive, then go to the Pokemon center. But if u mean like real life then buy yourself a poke`doll
If you mean the man you get the Old Rod from, he is in the house to the left of the Pokemon Center.
Well,if you mean a double battle its pretty easy. 1)Go to a colosseum. 2)Before you battle,go to the options and and click on double battle! 3)Then..........................The battle is ON!!!!!!!!!!!!!! IMPORTANT!!! (You have to choose a colosseum that lets you play double battles.)
Well, you start out with Espeon and Umbreon, if that's what you mean.
Do you mean Celebi? Celebi is only availble in Pokemon Crystal and Colosseum.
if you mean instead of catching Pokemon then no. on Pokemon Colosseum you can snatch other Pokemon trainers Pokemon though.
If you are talking about the Courtyard Colosseum battles, there's seven in total. If you mean how many Colosseums you have to beat in order to unlock Courtyard Colosseum, there's eight colosseums before it.
The Colosseum is an ancient amphitheatre in Rome.
if you mean the trading system for the game than no. the trading system only works on the ds.
If you mean Celio, his in one island pokemon center.
Do you mean illegitimate pokemon that everybody's raving about, like MissingNo., etc? No. They are legitimate pokemon that you can get, by migrating, trading, or catching them in the games.
I'm going to assume you mean "Pokemon Ruby" in your question. Anyway, to trade between Ruby and XD, you must beat Pokemon XD and defeat the champion in Ruby.
== == It varies depending on the symbol.
You mean Dialga? its impossible to find without cheats or trading sadly
Yes, "saving at a Pokémon Center" means just going into any Pokémon Center and saving wherever you want in there.