Guilty Gear XX Accent Core Plus

Successfully complete all thirty missions in Mission mode.

Press [Respect] to toggle the "Reload Color" option and press [Dust].

Unlock all EX Characters and hold L2.

Defeat a character's Black EX Form in the indicated level or Survival mode, or play through at least one path of their Story mode to unlock that person's EX version. Note: Justice and Kliff do not have a EX version.

EX A.B.A.: Survival level 460 (defeat Black EX A.B.A.)
EX Anji: Survival level 20 (defeat Black EX Anji)
EX Axl: Survival level 260 (defeat Black EX Axl)
EX Baiken: Survival level 80 (defeat Black EX Baiken)
EX Bridget: Survival level 100 (defeat Black EX Bridget)
EX Chipp: Survival level 220 (defeat Black EX Chipp)
EX Dizzy: Survival level 360 (defeat Black EX Dizzy)
EX Eddie: Survival level 240 (defeat Black EX Eddie)
EX Faust: Survival level 60 (defeat Black EX Faust)
EX I-no: Survival level 400 (defeat Black EX I-no)
EX Jam: Survival level 300 (defeat Black EX Jam)
EX Johnny: Survival level 340 (defeat Black EX Johnny)
EX Ky: Survival level 140 (defeat Black EX Ky)
EX May: Survival level 320 (defeat Black EX May)
EX Millia: Survival level 180 (defeat Black EX Millia)
EX Order-Sol: Survival level 420 (defeat Black EX Order-Sol)
EX Potemkin: Survival level 120 (defeat Black EX Potemkin)
EX Robo-Ky: Survival level 380 (defeat Black EX Robo-Ky)
EX Slayer: Survival level 280 (defeat Black EX Slayer)
EX Sol: Survival level 440 (defeat Black EX Sol)
EX Testament: Survival level 160 (defeat Black EX Testament)
EX Venom: Survival level 40 (defeat Black EX Venom)
EX Zappa: Survival level 200 (defeat Black EX Zappa)

Press Start and select the EX option. Note: This is also how GG Generations mode is accessed.

Play through a certain path in a character's Story mode to unlock a particular stage. For example, during Sol's Story mode, fight Ky to unlock the Paris stage.

A new interview becomes unlocked after a certain number of game play hours is accumulated.

Unlock 100% of the Arcade gallery artwork respectively.

Unlock all Gold and EX Characters then hold L1 + L2 when starting Arcade or M.O.M. modes.

Defeat a character's Gold form in Survival mode, or play through all of that character's story paths in Story mode.