This is partially inspired by @UsedJavelin's thread about Seven Samurai.
I watched a lot of the Western "film canon" when I was younger, and lately I've just been craving some good "artistic" movie content. But I don't trust the :reddit-logo: crowd nor the letterboxd nerds for serious recommendations, so I turn the question to my comrades
Clockwork Orange. It's extremely edgy and dark though which includes [CW: example of said dark stuff]
spoiler
rape and assault
Battle Royale. The movie that Hunger Games and Squid Game ripped off. Addressed the psychological condition of being thrown into such a situation MUCH better than both the ripoffs while being much shorter as well
Second on Clockwork Orange being dark. Take those content warnings seriously.
When people talk about Battle Royale, I always wonder if I watched the same movie with everyone else. None of the students wanted to kill each other in a battle royale, they just put one "student" in who wasn't a student at all but a psychopath. He does most of the killings.
I LOL'd at the two who committed suicide though. Never change, Japanese.