Pulled from Rotten Tomatoes Top Movies section:
http://www.rottentomatoes.com/top/bestofrt/?year=2020
UPDATED: 2/22/22
https://www.rottentomatoes.com/top/bestofrt/?cmp=FBRT_Top100Films
UPDATED: 3/28/22
NOTE: It appears Rotten Tomatoes has removed this list. There will not be any future updates to this list.