Inspired by the linked XKCD. Using 60% instead of 50% because that's an easy filter to apply on rottentomatoes.
I'll go first: I think "Sherlock Holmes: A game of Shadows" was awesome, from the plot to the characters ,and especially how they used screen-play to highlight how Sherlocks head works in these absurd ways.
A film about a man living alone and far away from civilization in a wooden hut, digging a mineshaft for years in search of gold. Very atmospheric and doesn't have any of putting moments in my opinion, despite the rating.
When I wanted to rewatch it 10 years later it was so hard to find that I had to make a post on a movie buff forum with a vague description from memory because I forgot the title.