Press "P" to pause game play, then press "Space" to display the options
menu. Select the cheats option to get unlimited lives or unlimited
Pause game play and type "larsxviii" to enable cheat mode and unlimited
credits. Press "Q" while the game is paused for a music test.
Pause game play then hold the "Left Mouse Button" and type "larsxviii".
Press the numeric keypad keys to change the colors.
Hold "T" and move the Mouse to move the Shinobi logo when it appears.