Sp Fighters Defeat an SP character in survival mode. Then, hold L when choosing that fighter at the character selection screen to play as the SP version.
Guilty Gear Mode You must finish all 61 story pathways.
Fight Against Ex Fighters Highlight the 'Arcade' or 'M.O.M.' mode options, then hold White while selecting it. You will fight against EX opponents in that mode.
Fight As Kliff Complete 50 missions.
Fight Against Gold Fighters Highlight the 'Arcade' or 'M.O.M.' mode options, then hold L while selecting it. You will fight against gold opponents in that mode.
Ggx And Ggxx Mode Complete 70 missions.
Fight Against Gold Ex Fighters Highlight the 'Arcade' or 'M.O.M.' mode options, then hold L + White while selecting it. You will fight against EX opponents in that mode.
Fight As Justice Complete 50 missions.
Ex Fighters Defeat an EX character in survival mode, Then, hold White when choosing that fighter at the character selection screen to play as the EX version.
Easier Way To Get EX Mode Play the game for 50 hours.