read the complete details here - http://j.gs/1010114/sf4-unlock-characters
Zero's a mega man character you can't unlock him in any street fighter game!
You cannot unlock Oni.
Either 'cause you didn't unlock her or you got the ORIGINAL Street Fighter 4. Other than that, she should be there.
read the complete details here - http://j.gs/1010114/sf4-unlock-characters
There is no way to unlock the arcade version of Akuma.
read the complete details here - http://j.gs/1010114/sf4-unlock-characters
Super Street Fighter 4 is basically the same game as Street Fighter 4. SSF4 features everything SF4 had, with more modes, moves, and characters. Super Street 4 will tweak some minor things, but by no means is this a different game than Street Fighter 4.
Super street fighter 4 comes out on April 27th
Street Fighter
street fighter (war) and the band is sick puppies
Evil Ryu appears in Super Street Fighter 4: Arcade Edition.
No, but if you are into street fighter, I heard street fighter 4 is coming out for the DS.