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52 Movies That Are So Clever They'll Have You Thinking For Days

All these films will stay with you long after they've finished playing.

We asked members of the BuzzFeed Community to tell us what movies actually make them think, you know, the ones that stay in your head for days long after they've finished. Here are some of their best answers.

1. Requiem for a Dream (2000)

2. Eternal Sunshine of the Spotless Mind (2004)

3. Predestination (2014)

4. Being John Malkovich (1999)

5. Life of Pi (2012)

6. Donnie Darko (2001)

7. Contagion (2011)

8. The Karate Kid (2010)

9. Equilibrium (2002)

10. Interstellar (2014)

11. The Truman Show (1998)

12. Exam (2009)

13. The Matrix (1999)

14. Looper (2012)

15. Ex Machina (2015)

16. Breaking the Waves (1996)

17. Metropolis (1927)

18. V for Vendetta (2006)

19. Eden Lake (2008)

20. Cloud Atlas (2012)

21. Never Let Me Go (2010)

22. The Prestige (2006)

23. Whatever Happened to Baby Jane? (1962)

24. Memento (2000)

25. Performance (1970)

26. The Social Network (2010)

27. Gone Baby Gone (2007)

28. Possession (1981)

29. Perfume: The Story of a Murderer (2006)

30. Girl, Interrupted (1999)

31. Pan's Labyrinth (2006)

32. The Beach (2000)

33. Thirteen (2003)

34. Amélie (2001)

35. Before I Go to Sleep (2014)

36. The Fountain (2006)

37. American Beauty (1999)

38. Being There (1979)

39. Inception (2010)

40. The Skin I Live In (2011)

41. Eat Pray Love (2010)

42. 2001: A Space Odyssey (1968)

43. The Virgin Suicides (1999)

44. We Need to Talk About Kevin (2011)

45. Natural Born Killers (1994)

46. Gone Girl (2014)

47. Shutter Island (2010)

48. The Usual Suspects (1995)

49. Silver Linings Playbook (2012)

50. Where the Wild Things Are (2009)

51. Room (2015)

52. The Butterfly Effect (2004)

Note: Submissions have been edited for length and/or clarity.

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