Cheat mode
Go to SSF2T at Capcom Classic Collection Menu, start the game and enter the following codes:
Unlock Old KEN
LP, Back(x3), Forward, LP
Unlock Old SAGAT
LP, UP, Down(x2), UP, LP
Unlock Akuma (Super Street Fighter 2 Turbo)
Go To Characters Selection Screen. Put Cursor on Ryu 3 for seconds, move to T.Hawk for 3 seconds,
move to Guile for 3 seconds, move to Cammy for 3 seconds, move to Ryu 3 for seconds, press [Start] and quickly press all punches