Ninja Warriors

Ninja Warriors cheat codes: 
For infinite lives, press CAPS LOCK and type 'CHEDDAR'.  Then press CAPS
again to start the game.

or:

Try the following tips.  They're not cheats but little tricks you can try.
To use, press CAPS LOCK, type the word, and then hit CAPS LOCK again.

KYLIE                   - Auzzie TV Mode
THE TERMINATOR          - Ninja body parts explode when you die
MONTY PYTHON            - Enemies walk backwards
SKIPPY                  - Enemies bounce
A SMALL STEP FOR MAN    - Jumping enemies jump right off the screen
STEVE AUSTIN            - 'S' toggles slow motion

You can use more than one effect at once!