Whats your favorite disturbing horror movie that isnt just shock horror?

I personally think "the bay (2012)" Is a very disturbing movie, especially when it comes to the idea behind it.

movie summary: Two million fish washed ashore. One thousand blackbirds dropped from the sky. On July 4, 2009 a deadly menace swept through the quaint seaside town of Claridge, Maryland, but the harrowing story of what happened that Independence Day has never been told—until now. The authorities believed they had buried the truth about the tragedy that claimed over 700 human lives. Now, three years later, a reporter has emerged with footage revealing the cover-up and an unimaginable killer: a mysterious parasitic outbreak. Told from the perspective of those who were there and saw what happened, The Bay unfolds over 24 hours through people’s iPhones, Androids, 911 calls, webcams, and whatever else could be used to document the nightmare in Claridge. What follows is a nerve-shredding tale of a small town plunged into absolute terror.

this review sums up pretty much perfectly why I found the movie disturbing. It might not be super duper scary if compared to other horrors. . . .  but it's damn effective if you stop to think about it.

FUNNY GAMES!! both versions, its not really shocking in a way that usual horror movies are but it really makes you think of how the entertainment industry is horrible and i mean the filmaking and script is so good!!