In Silent Hill: Homecoming, the 4 families every 50 years must sacrifice their own child x 1, so that time ngam ngam 50 years, so each family kill their child according to the 'contract with God'.

The monster who looks the caterpillar is a boy who like caterpillar when he was alive, and he was killed in a suffocate way, each victim after die will turn into a thing that they like the most and will show symptom how they die. So you will see a human caterpillar that strangle itself.

All the 4 victims will look for their own killer for revenge ... and one of them is the hero's younger bro ...

Silent Hill is indirectly asking you, how much you would do in the name of God? Will you kills in the name of God? Will you sacrifice your own child in the name of God? Do mind that in Bible there's actually got people try to sacrifice their child for God.

2 boys and 2 girls get killed. One of the boy is the heroin's bro. As you can see, there's hand cover the monster's mouth and nose .... it is how she die .... if you taken the hands off, it will die in the nightmare world ...

They turn into monster because of their hate towards the killer ... they want to seek justice!