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!
Fighting often with a character will unlock all the colors, eventually.
You can only unlock Cody in Super Street Fighter IV!
To unlock Evil Ryu in Street Fighter Alpha 2, you need to complete the game with Ryu on the hardest difficulty setting without using any continues. After defeating the final boss, you will unlock Evil Ryu as a playable character. Additionally, you can also unlock him by holding the start button on the character selection screen while highlighting Ryu.
You cannot unlock Oni.
yes- you have to unlock him
You cant
To unlock Dan in Street Fighter Alpha 3 (often referred to as Alpha Zero), you need to complete the game with certain characters. Specifically, you can unlock him by completing the game with Ryu, Ken, or Akuma. Alternatively, you can also input a specific code at the character selection screen, depending on the platform you are playing on. Once unlocked, Dan can be selected as a playable character in the game.
Unlocking seth is NOT a easy task,You have to complete all characters story mode
Either 'cause you didn't unlock her or you got the ORIGINAL Street Fighter 4. Other than that, she should be there.
To unlock Evil Ryu in Street Fighter Alpha 2, you need to select Ryu as your character and then complete the game on a difficult setting without losing a single round. Alternatively, you can also input a specific code during the character select screen. Once you meet the conditions, Evil Ryu will be available for play.
read the complete details here - http://j.gs/1010114/sf4-unlock-characters