Killer Masks are used to investigate Away Rooms and can be obtained in the following ways:
- Making Mort Fill Insulin Prescriptions
- Making Bonnie Pass Out Vegetables to Trick-or-Treaters
- Making Chris Go Trick-or-Treating
- Making Candy Killer Chris Survive a Gunshot to the Head
- Making Final Girl Lois Get a Phone Call from the Killer
- From Chase Sequence House