Start With Very Little Energy (After First Life)
DFCE-142F
Start With About Half Energy (After First Life)
DFCE-142F
Start With Very Little Time
B1C8-3DF8
Start With Lots Of Time
EEC8-3DF8
Start With 1 Life
DDC5-4DF4
Start With 5 Lives
D7C5-4DF4
Start With 9 Lives
D6C5-4DF4
Infinite Energy
C9C3-3F2D
Untouchable
6DC8-3DFD
48C8-3D9D
2EC3-3DBD
Ninja Gaiden II: The Dark Sword of Chaos
Stage Select
??C9-4794
69C1-4DF4
Note: Use DF-F9. The only visible side effect is that it gives you a red background where your status bar is.
Start With Very Little Energy
DFB3-144F
Start With About Half Energy
D6B3-144F
Infinite Energy
C9BB-441F
Throwing Stars Don’t Use Energy (Ignore Counter)
DFC4-1F47
Start With 1 Life
DDB3-C4CF
Start Every Life With 2 Shadow Ninjas
DEB9-14C4
Ninja Gaiden III: The Ancient Ship of Doom
Start With 1 Life
DD6B-CF87
Start With 5 Lives
D76B-CF87
Start With 9 Lives
D66B-CF87
Start With Very Little Energy
DF68-CD77
Start With About Half Energy
D668-CD77
Infinite Energy
C92A-CFED
Almost Infinite Ninja Power
C9A7-C757
Start Each Life With A Mega-Sword
5E68-C477
5E68-C777
Note: Do not collect Sword Upgrades as it is negate the effect of this code.
Start Each Life With Sword Upgrade
DF68-CF77
F668-C477
FD68-C777
Start With 99 Weapon Points (Ignore The Counter)
176C-CDE7
Stage Select
??6B-CF87
FD6B-CFE7
Note: Use DF-4E to select the Stages.