Many ways to do this: Beat boss battles with fox or falco, play 400 brawls, after beating the subspace emissary return to the ruins level to find a secret door leading to a secret fight with Wolf. Either way you must defeat him to unlock him once after completing the above objectives.
no you cant.... you can use hacks
u cant. only sonic...
www.arcadepod.com
play 450 matches and then beat wolf
Unlock Wolf by completing the Subspace Emissary on Hard Mode, then going through the ruins to find him. You then have to battle him.
After you beat Subspace Emissary, go back to "The Ruins" and when you find a floating door go in it and fight wolf and defeat him to unlock him
No, you can unlock Fox, Falco, and Wolf, but not Krystal.
No
Depending on how you unlock them, possibly.
do you know how to unlock wolf and more
450 vs battles
If you finish the Subspace Emissary, you'll have most of the characters, except for Wolf and Toon Link. To unlock Toon Link, you'll have to complete the forest on hard with Link. To unlock Wolf, get through the ruins and beat Wolf. You can also unlock all the characters after playing a lot of brawls. There are also a lot of other challenges to unlock characters by playing Classic on various difficulties and playing Target Smash on various difficulties.