Infernal Gate stage
Complete 25 challenge mode missions.

Cemetery stage
Complete all challenge mode missions.

Esaka stage
Complete 25 challenge mode missions.

Mai: Defeating Duke
Fighting Duke as Mai can be difficult. However, if you keep using
her combos, such as Super Deadly Ninja Bees and Windwill Waster and
do not allow Duke to power up any of his most devastating attacks,
you will defeat him. *** This may require a lot of practice; use
the practice mode until you are skilled with Mai's combos. Defeating
Duke in story mode will unlock Mai's profile and rigging model.

Extra hits
To get 30 hits in one of the challenge mode missions, use Ryo's
Whipslash Bash with a Light Punch then use his level 2 special.

Show Time stage
Complete 10 challenge mode missions.

Alternate costumes/outfits
Complete a challenge in challenge mode.

Fighter profiles
Win the game to unlock the listed character
in the profile screen. *** You can now also select their rigging
model in their profile and use it during game play.

Fight as Duke
Complete story mode as Soiree and Alba.