Downloading Gravely Silent - House of Deadlock - Collector's Edition 1.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
The program is sometimes distributed under different names, such as "Gravely Silent - House of Deadlock - Collectors Edition". The most popular versions among the software users are 2.1 and 1.0. This software is an intellectual property of Bigfish Games. We recommend checking the downloaded files with any free antivirus. The software lies within Games, more precisely Adventure.
From the developer:
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.
You may want to check out more software, such as Gravely Silent: House of Deadlock, Jewel Quest 6 - The Sapphire Dragon - Collectors Edition or Lost Lands The Four Horsemen Collectors Edition, which might be similar to Gravely Silent - House of Deadlock - Collector's Edition.