EX Ending Artwork
     To  unlock  the  EX  ending  artwork, finish Arcade mode with the
respective EX Character.

Guilty Gear Generations
     To unlock the Guilty Gear Generations versions of the characters,
play the game for a total of 48 hours.

GG Mode: Characters move faster, do relatively more damage, and can 
Instant Kill opponents without needing to charge. 
Bursts, Roman Cancels, and Faultless Defense are unavailable. 
Characters have the ability to charge their tension by holding 
the Heavy Slash and Dust buttons.

GGX Mode: Bursts and False Roman Cancels are unavailable. 
Characters can Faultless Defense Cancel their attacks.

Unlock EX Characters
     To  unlock  EX  Characters,  defeat the Shadow version of them in
Survival  mode.  To  select  them, press Start on the Character select
screen.