Didn't this thread already exist at one time or another?
(I own all of these if anyone wants to copy-trade)
August UndergroundAugust Underground: Mordum (this one is my #1 most disturbing)
August Underground: Penance
Cannibal Holocaust (because of the animal violence scenes
Murder Set Pieces
Henry Portrait of A Serial Killer (original version)
120 Days Of Sodom
Slaughtered Vomit Dolls
The Cook, the Thief, his Wife and her Lover
I Spit On Your Grave
Make Them Die Slowly
and here's a new one that just came out this year, it's called "Portrait of a Knife" and it's a fake documentary of the torture of Chinese and Russian prisoners by the Japanese during WWII. REALLY REALLY messed up stuff when you consider it's all based on real findings.