Who said that casual games bright colored family fun alone? Here’s one non-kid game: Redrum ™ (interestingly trademarked… since it reminds me about the word I saw in Stephen King’s The Shining).
“Intense psychological murder mystery for mature audience”? After checking out the pics and the video, I wonder how “mature audience” it really is. For example, the other Hidden object game Hidden in Time: Mirror Mirror has human skulls (but no warnings) – isn’t that mature audience?