Character and In-game Extras and Unlock Methods
     There  are  several  ways to obtain characters, special modes and
abilities, here's a list of them:

To Unlock specific EX Characters             
     Either  Defeat  the  corresponding  character's  Black EX Form in
Survival Mode, or play through at least one path of their Story Mode.

To Unlock specific Gold/Black Characters        
     Either Defeat the corresponding character's Gold form in Survival
Mode, or play through all that Character's Story Paths in Story Mode

To Unlock Kliff         
     Beat at least 10 Missions in Mission Mode, or complete his Story Mode

To Unlock Justice       
     Beat at least 20 Missions in Mission Mode, or complete her Story Mode

To Unlock all EX Characters/GG Generations Mode/Special Options         
     Beat all 30 Missions in Mission Mode

To Unlock Gallery "Secrets" (Omake Extra Voice Actor Interviews)        
     Time Release (1 every few hours of gameplay or so)

To Unlock Special Illustration 1        
     Unlocks Automatically

To Unlock Special Illustrations 2, 3, 4, 5, and 6    
     Beat Survival Mode Level 500

To Unlock Special Illustration 7        
     Unlock all Gold/Black Characters

To Unlock Special Illustration 8        
     Obtain all Arcade Mode Gallery Artwork

To Unlock Special Illustration 9        
     Obtain all EX Arcade Mode Gallery Artwork

To Unlock Special Illustration 10       
     Beat all of Survival Mode (Level 1000)

To Play through EX Arcade/M.O.M. Mode   
     Unlock all EX Characters and Hold L2

To Play through Gold Arcade/M.O.M. Mode         
     Unlock all Gold Characters and Hold L1

To Play through Gold EX Arcade Mode     
     Unlock   all   Gold   and   EX,  and  hold  L1+L2  when  starting
Arcade/M.O.M. Modes

To Unlock specific Extra GGXX Slash Stages      
     Play  through a certain path in a Corresponding Character's Story
Mode (example: Play through Sol's Story Mode to fight Ky to unlock the
Paris Stage)

To Select #Reload Versions of Unlocked Extra Slash Stages       
     Hold  R2 (Respect) Button over the Stage, and the title will turn
Yellow  (#R  Stages  are unlocked automatically with every Slash stage
you unlock)

Alternate method of Unlocking GG Generations Mode: GGX Mode and GG Mode         
     Obtain 50% or 100% of the Arcade Gallery Artwork respectively.

To Select EX Characters         
     Press  Start, Select EX Option (Also use this method to access GG
Generations Mode)

To Select Gold Characters       
     Press  Respect  (R2) to toggle the "Slash Color" Option and Press
"Dust" (R1)

To Select Black Characters      
     Press  Respect (R2) to toggle the "Reload Color" Option and Press
"Dust" (R1)