Has there been a thread for this yet? Wasn't sure. Anyway, here's my list (based on UK release dates).

1. Her
2. Boyhood
3. The Wolf of Wall Street
4. Frank
5. Under the Skin
6. Two Days, One Night
7. Nightcrawler
8. Inside Llewyn Davis
9. 12 Years a Slave
10. The Lego Movie
11. Gone Girl
12. Guardians of the Galaxy
13. Stations of the Cross
14. Leviathan
15. The Raid 2
16. Locke
17. Pride
18. Obvious Child
19. The Grand Budapest Hotel
20. We Are the Best!

Honourable Mentions: Calvary, The Babadook, Ida, Life Itself

Share your lists!