Play as Akuma
Go to the Player Select Screen. Highlight any top row characters. Press Up. The hidden box with Akuma's face will appear.
Tag Team in Vs. Mode Japanese
Go to the mode selection screen where you choose Arcade Mode Vs. etc. and QUICKLY press Square Square Right X L1. If done correctly the option screen will appear.
Play as ChunLi From Street Fighter Alpha
At the Character Selection screen highlight Chunli then press and hold SELECT for 5 seconds. Press any button to play as ChunLi with her outfit from Street Fighter Alpha.
American EX Options Menu
At the Main Menu quickly press: Triangle Triangle Right Circle L1. You can then choose between original and EX modes plus you can set the game to always give you a full super bar.
Easy Way to Beat Apocolpyse
The best person to beat Apocolpyse is to Storm and Magneto ChunLi and Cyclops. Whenever you begin to fight with ChunLi and Cyclops super jump and lighting kick his hand then when your power gets up to three preform the team super move. Do the same thing with Storm but do the Double Typhoon until it gets to level three then the team super move.
Gambit's Monstrous Combo
First have your super bar at level 3 and of course be playing as Gambit. Then do Gambit's Royal Flush super. If it connects cancel it after at least the 33rd hit while the super is still going on with a second Royal Flush. Then when the combo counter reads at least 62 cancel the second Royal Flush while it is still going on with a third Royal Flush. You will have 99 hits Although the combo counter stops at 99. Note that this will work only if the opponent is standing on the ground. If he/she is slightly in the air the cards Gambit throws will not hit the opponent as much times.
Taunt Your Opponent
After winning a round press Start and you'll be able to kick or taunt your defeated opponent.
Play as Apocalypse
Beat the game on the hardest difficulty. When they ask for your initials type APO. Go to vs. Highlight Akuma hit up on the top row and hold select and hit a button. You got him. Only one player can be him so whoever does it first gets him.