Passwords
Ninja Gaiden 1
Niveau 2 : AXXRYA
Niveau 3 : XYBRLX
Niveau 4 : BRABYY
Niveau 5 : XAYXLL
Niveau 6 : RYRLAX
Ninja Gaiden 2
Niveau 2 : XLRBBA
Niveau 3 : LYBARR
Niveau 4 : ALXYYB
Niveau 5 : RAABXL
Niveau 6 : YLRAYR
Niveau 7 : BBXYAL
Ninja Gaiden 3
Niveau 2 : ARRYAL
Niveau 3 : LBRYLY
Niveau 4 : RRBAYX
Niveau 5 : YABXRX
Niveau 6 : BXXAXY
Niveau 7 : XRXYYL
 
 

Codes Action Replay
7E00 6363 = temps infini (Ninja Gaiden 1)
7E00 6510 = énergie infinie (Ninja Gaiden 1)
7E00 7663 = vies infnies (Ninja Gaiden 1)
 
 

Code Game Génie
DFCE-142F       Start with very little energy-after first life
DFCE-142F       Start with about half energy-after first life
DD81-1F97       Infinite time
B1C8-3DF8       Start with very little time
EEC8-3DF8       Start with lots of time
DDC5-4DF4       Start with 1 life
D7C5-4DF4       Start with 5 lives
D6C5-4DF4       Start with 9 lives
C9CF-CFBF       Infinite lives
C9C3-3F2D       Infinite energy
Ninja Gaiden II - The Dark Sword of Chaos
DFB3-144F       Start with very little energy
D6B3-144F       Start with about half energy
C9BB-441F       Infinite energy
C96F-1FC7       Infinite time
DFC4-1F47       Throwing stars donÕt use energy(ignore counter)
DDB3-C4CF       Start with 1 life
Ninja Gaiden III - The Ancient Ship of Doom
DD6B-CF87       Start with 1 life
D76B-CF87       Start with 5 lives
D66B-CF87       Start with 9 lives
DF68-CD77       Start with very little energy
D668-CD77       Start with about half energy
C92A-CFED       Infinite energy
CB69-CD57       Infinite lives
C9A7-C757       Almost infinite ninja power