X-Men vs Street Fighter EX Edition
 
Get Apocalypse in VS Mode
Finish Battle Mode without using continue, thne in VS Mode, highlight Akuma, then press Select to choose Apocalypse.
Apocalypse's Moves
F. Dash - Left + 3 Punches
B. Dash - Right + 3 Punches
Iron Ball - Left, Down, Left-Down + Punch
Power Wave - Left, Left-Down, Down + Punch
Fireball - Down, Down-Left, Left + Mid Kick
Drill - Down, Down-Left, Left + High Punch
EX Option
In Mode Section screen, enter (quickly) s, s, Right, x, L1, then you will enter the EX Option Menu, in which you can choose Game Mode and Hyper Combo Gauge.
Original Mode - Enable character swapping in VS Mode
In EX Option, choose Original Mode as game mode.  To use character swapping, if Player 1 chosed character A & B, Player 2 must choose character B & A.  Then in the game, press HP + HK to swap character, press Left, Left-Down, Down + HK + HP to use Variable Counter, and Down, Down-Right, Right + HP + HK to use Variable Combination.
 

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