There is an art to a Letterboxd movie review. Sure, you can use the film-based social network to log what you see, orto write straightforward film criticism. But a lot of the most entertaining reviews on the app are closer to clever tweets or stand-up comedy riffs than the works of Manny Farber or Parker Tyler.As a dedicated Letterboxd user (a dedicated patron in fact), I love reading these reviews (and writing them myself). Sometimes I send funnyreviews I come across to friends, but whats really fun is to remove thetitlefrom areview and see if someone cancorrectly guessthe movie the Letterboxd user is writing about.Now Ive turned that concept into alittle quiz-style list here on ScreenCrush. As you scroll down youll see 20 Letterboxd reviews with the name of the film and its poster blacked out. Its up to you to figure out what movie it is. Keep scrolling to see if you got it right (and for a link back to the actual review, in case you want to follow thesesharp critics on Letterboxd).I did my best to make my picks neither too easy nor too hard. All are extremely well-known films; Oscar winners, canonical classics,or titles that appear on Letterboxds list of the top 250 narrative features in history. I want you to be able to get it right, but I also didnt want it to be instantly obvious either. The subject of a review that reads Heath Ledger will always be my Joker is not very mysterious obviously thats a review ofPlan 9 From Outer Space.On the other hand, a review that reads something like wow that was sick could be almost anything (includingPlan 9 From Outer Space).Ready? Good luck!Quiz: Guess the Movie Based on Its Letterboxd ReviewCan you figure out which classic movies are the subjects of these 20 Letterboxd reviews? Scroll down to find out.READ MORE: 25 Movies With Surprising Letterboxd ScoresGet our free mobile appFive-Star Raves For Horrible Movies on LetterboxdYou (and most people) might hate these movies, but not these fans on Letterboxd, who gave these films five star raves.