The film 12 Years a Slave has a more than 90 % positive rating based on 327 reviews .
`` Film review aggregator Rotten Tomatoes reports that 95 % of critics gave the film a positive rating , based on 326 reviews with an average score of 8.9/10 , with the site 's consensus stating , `` '' It 's far from comfortable viewing , but 12 Years a Slaves unflinchingly brutal look at American slavery is also brilliant -- and quite possibly essential -- cinema . '' '' ''
12 Years a Slave -LRB-film-RRB-