Disable blood: Type fiona at the screen with the start game
and options selections. The screen will flash green to confirm
correct code entry. Repeat the code to enable blood again. The
screen will flash red to confirm correct code entry.
Cheat mode: Type zedweb or qwertyuiopaasdfghjklazxcvbnma
at the screen with the start game and options selections. Select
the "Diagnostics" option that appears.
