Final Boss Password:

SARLAC
K3CH

Mission 1 Password:

Mission 1 : Xandralite Mines

STAGE 1
beginning of the game

STAGE 2
FBWC

STAGE 3
QP7R

STAGE 4
WJTV

Mission 2 Password:

Mission 2: Karnellian Swamps

STAGE 1
RRYB

STAGE 2
ZS9P

STAGE 3
XJSN

STAGE 4
CGDM

Mission 3 Password:

Mission 3 : Sands of Sorrow

STAGE 1
TJ1F

STAGE 2
GSG3

STAGE 3
BMHS

STAGE 4
Y4DJ

Mission 4 Password:

Mission 4 : Shadow Keep

STAGE 1
HCKD

STAGE 2
NRLF

STAGE 3
J6BZ

STAGE 4
MJXG

Various Cheats:

Enter during gameplay for the desired effect. Japanese version only.
 

Code:                                                          Effect:

Hold B on Controller two                            Speed Up Movement.

Press A+B+L+R on controller one             Soft Reset. 

Press X on Controller two                          Debug Display.

Press X+Y+L+R on Controller one            Free-Movement Mode (press B to disable)

Press Y on Controller two                          Power Up Gun (Repeat up to three times

                                                                   to fully power it up)