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.
That was one that you can just tell was a very highly contested script that just kept getting rewritten again and again by writers with very different sensibilities. The core idea is great, but man is the execution uneven