Save your sister from the grave! After receiving a troubling phone call from your brother-in-law, you’re off on an adventure! Investigate the troubling scene and discover the truth in Gravely Silent: House of Deadlock. Scour gorgeous Hidden Object scenes for valuable clues and unravel the mystery behind your sister’s disappearance. This is a special Collector's Edition release full of exclusive extras you won’t find in the standard version. As a bonus, Collector's Edition purchases count toward three stamps on your Monthly Game Club Punch Card! The Collector’s Edition includes: