evolve it by trading it with another player
To get a Gengar, you must trade a Haunter and it will then evolve into a Gengar.
You can't catch bastiodon in Pokemon soulsilver.
Yes into haunter and then trade to get a gengar
Gengar can only be obtained by trading a Haunter.
There is no place that you can catch a Gengar and he can only be obtained by evolving Haunter via trade.
You'll need to trade for a Haunter or a Gengar in the GTS or from someone.
catch it? no.
You cant. You have to catch a gastly then envolve it to haunter then trade with someone and trade back haunter will envolve to gengar!
you can't catch a gengar. you catch a haunter then trade it so it evolves. make sure its not holding an everstone. ;)
No, you can not catch Phanpy in SoulSilver. It is a version exclusive to HeartGold.
You cannot catch Heatran in Pokémon SoulSilver, you will have to trade for it.
You cannot catch Celebi in Pokemon Soulsilver, you have to transfer it from Diamond and Pearl (if you have it in those games).