Play as Faiz Accel:
Press Square, Triangle, Square, X, Square, Triangle, Square, X at the title screen. 
Takumi will speak to confirm correct code entry.

Play as Faiz Blast:
Press X, Triangle, X, Square, Triangle, Square, Square, X at the title screen. 
Takumi will speak to confirm correct code entry. Alternately, successfully complete 
challenge mode as Faiz Edge level 2.

Play as Auto Vajin:
Successfully complete challenge mode as Delta.

Play as Delta:
Successfully complete challenge mode with all characters. 

Play as Faiz Edge level 2:
Successfully complete challenge mode as Faiz Shot level 2.

Play as Faiz Edge:
Successfully complete challenge mode as Faiz Shot. 

Play as Faiz Pointer level 2:
Successfully complete as Faiz Edge.

Play as Faiz Shot level 2:
Successfully complete challenge mode as Faiz Pointer level 2.

Play as Faiz Shot:
Successfully complete challenge mode as Faiz Pointer. 

Play as Kaixa Pointer 2:
Successfully complete challenge mode as Kaixa Pointer. 

Play as Kaixa Pointer:
Successfully complete as Kaixa Blaygun.

Play as Centipede Orphnock:
Complete picture 22 in slot machine mode.

Play as Crocodile Orphnock:
Complete picture 20 in slot machine mode.

Play as Dragon Orphnock:
Complete picture 26 in slot machine mode.

Play as Lobster Orphnock:
Complete picture 24 in slot machine mode.

Play as Snake Orphnock:
Successfully complete challenge mode with Horse And Crane Orphnock.