Gray Matter is a full version game only available for Windows, belonging to the category PC games with subcategory Adventure.
More about Gray Matter
It's available for users with the operating system Windows XP and prior versions, and you can get it in different languages such as English, Spanish, and German. The game version is 2016 and was updated on 1/04/2017.
The information about the install size of Gray Matter is currently not available.
Since we added this game to our catalog in 2016, it has obtained 2 downloads, and last week it gained 0 downloads.