Pause the game and type 'LARSXViii' for infinite credits.
Hold down left mouse button while typing the above to enter
the colour mode which is controlled via the numeric keypad.
Press 'Q' while the game is paused to enter the music mode.
When the shinobi logo appears hold down the letter 'T' and
move the mouse to control it.
if u want unlimmited lives and unlimmeted ninja's power just pause
the game by button "P" and then press space a menu will appear and
their u will find a option of cheats click it and select the cheats
of ur choice.
For cheats in this game, use the DOS utility DEBUG. First
backup your game to be edited, then type the following from
the DOS prompt:
ren shinobi.exe cheater.cht
For infinite lives, type:
e ce1 90 90 90 90
For inf magic, type:
e 54a3 90 90 90 90
To stop timer, type:
e 6b19 eb 8
Then type: w
Then rename CHEATER.CHT back to its previous name.