Bonus characters

The following characters are unlocked each time you complete the game (Original Mode) without using continues 

1st time - Sagat
2nd time - Vega
3rd time - Garuda
4th time - Shadow Geist
5th time - Kairi
6th time - Pullum
7th time - Area
8th time - Darun
9th time - Vulcano

Fight Vega II (of original mode) 

For the following diffculties, you must do the following

For Normal Difficulty:- Score more than 500,000 points, Finish each stage with either a Meteo Combo, Meteo Tag Combo, or Character Parade and No continues allowed
For Hard Difficulty: - No continues allowed

Play as Evil Ryu

Beat the Original Mode with Ryu eight times without using a continue. Hightlight Ryu and hold select and press X, Square or Circle at the selection screen

Play as Bison 2

Beat the original mode with M. Bison (Vega) eight times without using a continue. Hightlight M. Bison and hold select. Press X, Square or Circle at the selection screen

Meteor Tag Combos

The following combos can only be performed with certian combinations of characters. They can be perform with a Tag Guage and level 3 Super Combo Gauge. (These are listed if Character is facing right)

Tag Team Character who performs move Combination... 
Chun-Li and Guile  Guile Hold Back (Charge), Forward, Back, Forward + PPP  
Blanka and Dhalsim  Blanka Hold Back (charge), Forward, Back, Forward + PPP  
Jack and Vulcano Rosso  Jack Hold Back (charge), Forward, Back, Forward + PPP  
Kairi and Hokuto  Hokuto Hokuto must first perform her Kakusei (trance). To do first Performa quarter circle 2 times forward, then + K. 

Low Punch, Low Punch, Back, Low Kick, High Punch 
 
Nanase and Hokuto  Nanase Low Punch, Low Punch, Back, Low Kick, High Punch  
Ryu and Ken  Ken Quarter Circle Back two times + PPP  
Ryu and Sakura  Sakura Low Punch, Low Punch, Back, Low Kick, High Punch  
Pullum Puruna and Darun Mister  Pullum Puruna  Quarter Circle Back two times + PPP  
Zangief and Darun Mister  Either Character A 360ยก Motion two times + KKK  
      
      
      

  

Medal Bonus Items

Once you attain all 10 medals in Original mode the following items will be unlock 

All medals Bronze or better: Sakura becomes the narrator. Press SELECT on Sakura to activate 
All medals Silver or better: Unlock Vega II, to select Vega II, press select on Vega.
All medals Gold or better: Unlock Evil Ryu I, to select Evil Ryu, press select on Ryu.
All medals Platinum or better: VS True Vega added to Arena Mode

Play as Dark Kairi

Move the cursor ontp Zangief then, move diagonal down-left. Dark Kairi is exactly the same (besides appearance) as Kairi.