Alternate costumes:
To unlock new costumes, level up the rank from Grass
Hopper in Training to Wudai in Training. For some ranks it will
unlock new costumes:


Monk costume at Warrior Monk rank
Showdown costume at Wudai rank.
Robot costume at Martial Artist rank
Street costume at Grass Hopper rank

Play as Chase Young:
Defeat Mala Mala Jong in the last level of Adventure
mode.



Play as Jack Spicer:
Get at least halfway through the game to fight the
Jack Spicer Robot. Defeat it to unlock Jack as a playable charactger.