3rd level=XTXSSTST 

4th level=STXXXTOS

5th level=TOTOTXSS

all weapons & invincibility=OOO_XTXX

T=triangle button

X=x button

S=square button

O=o button

Invincibility O,O,O,R,X,t,X,X
Infinite wepons T,T,O,T,S,T,T,X
volcano S,T,X,X,X,T,O,S