5 extra missions in Mission Mode
     On  the  mission  mode screen press: UP, DOWN, LEFT, DOWN, RIGHT,
UP,  SQUARE.  It  will  unlock  5  extra  missions  that  are  also in
Collectors Edition.


Difficulties
     When  you  beat  the  game on any difficulty, you unlock a higher
difficulty.

Hard: Beat the game on Normal
Master Ninja: Beat the game on Very Hard
Ninja Dog: Die 3 times
Very Hard: Beat the game on Hard


Extra Costumes
     You  can  unlock  Extra  Costumes  by beating the game on various
difficulties.

Ashtar Ryu costume: Beat story mode on the Hard difficulty setting.
Classic Ryuken costume: Beat story mode on the Normal difficulty setting.

Golden Scarab Rewards
     By collecting a certain amount of hidden Golden Scarabs, Muramasa
(shop owner) will reward you with items and weapons that will help you
in  the game. There is a total of 50 Golden Scarabs in the game. 
Note: There are NO Golden Scarabs when playing as Rachel.

Armlet of Fortune:           Collect 40 Golden Scarabs
Armlet of Potency:           Collect 5 Golden Scarabs
Dabilahro:                   Collect 20 Golden Scarabs
Great Spirit Elixir:         Collect 35 Golden Scarabs
Jewel of the Demon Seal:     Collect 45 Golden Scarabs
Life of Gods:                Collect 1 Golden Scarab
Lives of the Thousand Gods:  Collect 10 Golden Scarabs
Plasma Saber MkII:           Collect 50 Golden Scarabs
Spirit of the Devils:        Collect 15 Golden Scarabs
The Armlet of Benediction:   Collect 30 Golden Scarabs
The Armlet of Celerity:      Collect 25 Golden Scarabs


Unlock Mission Mode 
     To  unlock  mission  mode,  beat the normal difficulty setting in
story mode.