Street Fighter 3: Third Strike Play as Gill
Successfully complete the game with every character with the system direction set to “Normal”. Gill will appear in between Yun and Yang at the character selection screen.
System direction page 8
Successfully defeat five characters with the system direction set to “Normal” to unlock system direction page 8.
System direction page 9
Successfully defeat ten characters with the system direction set to “Normal” to unlock system direction page 9.
System direction page 10
Successfully defeat fifteen characters with the system direction set to “Normal” to unlock system direction page 10.