3.
If a player obeys "Simon's" instructions that are not preceded by the words, "Simon says," that player out. Also, if a player fails to obey "Simon" when instructions are preceded by "Simon says," he/she is out.
4.
"Simon" should start with simple instructions like, "Simon says, put your hands on your head," and then continue with sillier and more comlex instrucitons as the game goes on.