To enable this option press L and R at the same time when you select your character.

Battle EX Characters in M.O.M. And Arcade mode in Guilty Gear XX #Reload/Slash:
At the 'Main' menu highlight M.O.M. Or Arcade mode and press and hold R while selecting the gameplay mode. The enemy AI will now use the EX version of each character or instead of the normal characters Kliff or Justice.


Extra Character Unlockables for Guilty Gear XX Slash:
Complete the following tasks to unlock slightly different versions of a character.

Unlock #Reload Version:
Complete Arcade mode with that character.

Unlock EX Version:
Complete Mission Level 2 with that character.

Unlock SP Colour:
Complete Mission Level 3 with that character.

Complete the following tasks to unlock the corresponding character in Story mode.

Unlock Baiken:
Using Millia Rage complete Stage 2-1

Unlock Bridget:
Using Ky Kiske complete Stage 2-1

Unlock Chipp Zanuff:
Using Sol BadGuy complete Stage 2-1

Unlock Dizzy:
Using May complete Stage 2-1

Unlock Eddie:
Using I-NO complete Stage 2-1

Unlock Zappa:
Using I-NO complete Stage 2-2

Unlock Johnny:
Using Dizzy complete Stage 2-2

Unlock Slayer:
Using Millia Rage complete stage 2-2

Unlock Axel Low:
Using Chipp Zanuff complete Stage 3-1

Unlock Venom:
Using Eddie complete Stage 3-1

Unlock Jam:
Using Potemkin complete Stage 3-2

Unlock Potemkin:
Using Bridget complete Stage 3-2

Unlock Anji Mito:
Using Slayer complete Stage 3-2

Unlock Testament:
Using May complete Stage 4-2

Unlock Faust:
Using Sol BadGuy complete Stage 4-2

Get to level 6-1 and find ALL the letters of Judgment which are hidden in various chests scattered throughout the level.