How To Play as Alia,Pallette And Layer
Well Complete The Game (In Normal Or Hard)
Then The Navigator U Recently Used The Most Will Be Playable!

(NOTE: Using Easy mode Would Not Work)

Layer: Uses A Z Saber
Pallette: Uses Axls Guns But Cannot copy DNA
Alia: Has An X Buster But Cannot Get Armour Parts (for Neutral Armour)