The Con

Unlock Hardcase in quick play mode:
Finish arcade mode

Unlock Reina:
Finish the story mode once.

Unlock Shaman in arcade mode:
Beat Shaman and his team in Class B to play as Shaman.

Unlock Smoke in arcade mode:
Beat Smoke and his team in Class C to play as Smoke.

Unlock Boneyard in aracade mode:
Beat Boneyard (Team Phantom) in Class D Story mode to play as Boneyard.

Unlock Cinder in arcade mode:
Beat Cinder and her team in Class A Story mode to play as Cider.

Unlock KFJ in aracade mode:
Beat KFJ (he is member of the Team Rogue) in Class B Story mode to play as KFJ.

Unlock Mask (Jeet Kune Do) in quick play mode:
Complete arcade mode under the hard difficulty setting with a Jeet Kune Do
fighter.

Unlock Mask (Kickboxing) in quick play mode:
Finish arcade mode on hard difficulty level with a Kickboxer.

Unlock Mask (Street Boxing) in quick play mode:
Finish arcade mode on hard difficulty level with a Street Boxer.

Unlock Mask (Tae Kwon Do) in quick play mode:
Finish arcade mode on hard difficulty level with a Tae Kwon Do.

Unlock Mask (Wrestling) in quick play mode:
Finish arcade mode on hard difficulty level with a Wrestler.

Unlock Bonus items:
Beat Cinder's (Class A), Shaman's (Class B), Smoke's (Class C), and Bonyard's
(Class D) teams to unlock items used by the indicated team leader.

Bonus quick play mode characters:
After unlocking a fighter for quick play mode, go to the fighter selection
screen and highlight the "Random" option and press Circle until that fighter
appears.