During the final four months of 2013, Hollywood studios will release films that stand the greatest chance at winning year-end glory from critics and awards groups. Which movies, however, from the first two-thirds of the year have had the biggest impact among the cognoscenti? Not, as it turns out, "Iron Man 3," "Despicable Me 2" or "Man of Steel," 2013's top three box office hits to date. Ahead, the 10 best-reviewed movies of 2013 thus far, as judged by Rotten Tomatoes scores.


10. "Drug War"


Rotten Tomatoes Score: 97 percent (from 34 reviews)

Sample Review: "Magnificent." -- Cole Smithey, ColeSmithey.com


9. "The Act of Killing"


Rotten Tomatoes Score: 97 percent (from 101 reviews)

Sample Review: "To describe 'The Act of Killing' as a riveting documentary about Indonesian death squads that terrorized that country’s citizens in the 1960s might be factually accurate. But it doesn’t get nearly to the heart of it. This audacious, horrifying, boldly experimental plunge into the mind-set of murderers and the culture of impunity breaks so many rules of documentary decorum that it virtually creates its own genre: investigative improv, perhaps. Or, better yet, Brechtian nonfiction." -- Ann Hornaday, The Washington Post


8. "Cutie and the Boxer"


Rotten Tomatoes Score: 98 percent (from 41 reviews)

Sample Review: "It' unusual to see a documentary as emotionally full-bodied as 'Cutie and the Boxer,' a visual feast that portrays one extraordinary marriage and reflects countless others." -- Colin Covert, Minneapolis Star Tribune


7. "Short Term 12"


Rotten Tomatoes Score: 98 percent (from 58 reviews)

Sample Review: "'Short Term 12,' probably the year's most powerful feature film to date, could have gone wrong in many, many ways. It could have been an after-school special, or a mawkish social-problem film. It could have been smug, exploitative or politically self-righteous." -- Stephen Silver, Tell


6. "Blackfish"


Rotten Tomatoes Score: 98 percent (from 93 reviews)

Sample Review: "It not only delivers astonishing, suspenseful footage that makes it a legitimate thriller, but also serves up thoughtful meditations about using wild animals for our own entertainment." -- David Lewis, San Francisco Chronicle


5. "Mud"


Rotten Tomatoes Score: 98 percent (from 158 reviews)

Sample Review: "Even when it feels like 'Mud' is drifting off to sea, the director finds a way to keep the movie –- and its audience –- exactly where he wants them." -- Adam Nayman, Globe and Mail


4. "Before Midnight"


Rotten Tomatoes Score: 98 percent (from 162 reviews)

Sample Review: "One of the best films of 2013 and the irresistible climax to Richard Linklater's trilogy of on-the-run amour." -- Peter Howell, Toronto Star


3. "20 Feet From Stardom"


Rotten Tomatoes Score: 99 percent (from 72 reviews)

Sample Review: "This generous, fascinating documentary about the careers of backup singers, most of them African-American women, seeks to rewrite the history of pop music by focusing attention on voices at once marginal and vital." -- A.O. Scott, New York Times


2. "Wadjda"


Rotten Tomatoes Score: 100 percent (from 20 reviews)

Sample Review: "You'd need a heart of stone not to be won over by 'Wadjda.'" -- Xan Brooks, The Guardian


1. "Sound City"


Rotten Tomatoes Score: 100 percent (from 34 reviews)

Sample Review: "High-spirited, emotional and funny, 'Sound City' is, of all things, a mash note to a machine. Not just any machine, however, but one that helped change the face of rock 'n' roll." -- Kenneth Turan, Los Angeles Times



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  • "Adore" (Sept. 6)


    Naomi Watts and Robin Wright star as two mothers who fall into sexual relationships with each other's sons. (Yep, it's real.)




  • "Riddick" (Sept. 6)


    When Vin Diesel isn't starring in "Fast and Furious" movies, he's playing Riddick.




  • 'Good Ol' Freda' (Sept. 6)


    A documentary about The Beatles' famed secretary.




  • "Salinger" (Sept. 6)


    Shane Salerno ("Savages") directs this documentary about the reclusive "Catcher in the Rye" author.




  • "Winnie Mandela" (Sept. 6)


    Jennifer Hudson stars as Nelson Mandela's wife Winnie in this new film, the first of two Mandela features set for release this year.




  • "The Family" (Sept. 13)


    Director Luc Besson's mob comedy stars Robert De Niro and Michelle Pfeiffer, because sometimes we're allowed to have nice things.




  • "Insidious: Chapter 2" (Sept. 13)


    Too scary.




  • "Jayne Mansfield's Car" (Sept. 13)


    Billy Bob Thornton's first feature directorial effort since 2001's "Daddy and Them" stars Thornton himself, Kevin Bacon and Robert Duvall.




  • "Battle Of The Year" (Sept. 20)


    Chris Brown made a movie with Sawyer from "Lost." (Real.)




  • "Prisoners" (Sept. 20)


    Hugh Jackman leads an all-star cast (Jake Gyllenhaal, Terrence Howard, Paul Dano, Melissa Leo) in this revenge drama from director Denis Villeneuve.




  • "A Single Shot" (Sept. 20)


    Sam Rockwell stars in this thriller, which debuted at the Tribeca Film Festival.




  • "Enough Said" (Sept. 20)


    Nicole Holofcener's romantic comedy features James Gandolfini's final role as a leading man. (Gandolfini has a supporting role in the upcoming film "Animal Rescue.") Julia-Louis Dreyfus, Toni Collette and Catherine Keener co-star.




  • "Thanks For Sharing" (Sept. 20)


    Mark Ruffalo and Gwyneth Paltrow star in this dramedy about sex addiction. From Stuart Blumberg, an Oscar nominee for "The Kids Are All Right."




  • "After Tiller" (Sept. 20)


    A controversial documentary about U.S. doctors who still perform third-trimester abortions.




  • "Parkland" (Sept. 20)


    Billy Bob Thornton, Paul Giamatti and Zac Efron star in this drama about the immediate aftermath of the assassination of John F. Kennedy.




  • "C.O.G." (Sept. 20)


    Jonathan Groff stars in this new movie, which is based on a story by David Sedaris.




  • "Rush" (Sept. 20)


    Ron Howard's Formula 1 drama casts Chris Hemsworth and Daniel Bruhl as, respectively, James Hunt and Niki Lauda, two of the sport's greatest competitors. The film, which is also due to bow at the Toronto International Film Festival, opens wide on Sept. 27.




  • "Baggage Claim" (Sept. 27)


    Paula Patton stars in this rom-com about a flight attendant looking for love. Bonus: <strike>Seth Cohen</strike> Adam Brody as her outlandish confidant.




  • "Cloudy With A Chance Of Meatballs 2" (Sept. 27)


    Tying up all the loose ends from part one.




  • "Don Jon" (Sept. 27)


    Joseph Gordon-Levitt's directorial debut is a funny and poignant look at relationships in the age of instantaneous gratification. (Also, porn.) Tony Danza, Julianne Moore and a scene-stealing Scarlett Johansson all co-star.




  • "Metallica: Through The Never" (Sept. 27)


    Enter sandman: Metallica made a concert movie that's not a just a concert movie. Dane DeHaan stars.




  • "Gravity" (Oct. 4)


    Alfonso Cuaron's first film since 2006's "Children of Men" stars Sandra Bullock and George Clooney as astronauts lost in space. One of the year's must-see events.




  • "Runner Runner" (Oct. 4)


    Justin Timberlake takes on an evil Ben Affleck in this new thriller about online gambling. Brad Furman ("The Lincoln Lawyer") directs.




  • "Captain Phillips" (Oct. 11)


    Tom Hanks stars as the title captain in this thriller from Paul Greengrass, which focuses on the 2009 hijacking of the Maersk Alabama. The film will debut at the New York Film Festival.




  • "Machete Kills" (Oct. 11)


    The best cast of the year? "Machete Kills" stars Danny Trejo, Sofia Vergara, Michelle Rodriguez, Cuba Gooding Jr., Demian Bichir, Amber Heard, Lady Gaga, Mel Gibson and Charlie Sheen (as the President of the United States), because of course it does.




  • "Romeo And Juliet" (Oct. 11)


    "Downton Abbey" creator Julian Fellowes adapted this version of Shakespeare's tragic romance.




  • "CBGB" (Oct. 11)


    "Harry Potter" pals Alan Rickman and Rupert Grint reunite for this rock drama.




  • "Kill Your Darlings" (Oct. 16)


    Daniel Radcliffe grows up. The erstwhile Harry Potter plays Allen Ginsberg in this Sundance Film Festival fave.




  • "The Fifth Estate" (Oct. 18)


    Benedict Cumberbatch plays Julian Assange in this new film from Bill Condon ("The Twilight Saga: Breaking Dawn Part 1 & 2," "Dreamgirls").




  • "Paradise" (Oct. 18)


    Diablo Cody's directorial debut look good, honest to blog.




  • "Carrie" (Oct. 18)


    No one is going to laugh at Chloe Moretz after this remake of Brian DePalma's horror classic debuts.




  • "Escape Plan" (Oct. 18)


    Stallone. Schwarzenegger. Prison break. See you at the theater.




  • "All Is Lost" (Oct. 18)


    Robert Redford stars as a man struggling to survive after a hole is torn into the hull of his ship. J.C. Chandor ("Margin Call") directs the film, which is expected to give the 76-year-old actor a good chance at an Oscar nomination in 2014.




  • "Twelve Years A Slave" (Oct. 18)


    Chiwetel Ejiofor stars as Solomon Northup, a New York man who was kidnapped and sold into slavery in 1841. Michael Fassbender, Brad Pitt, Benedict Cumberbatch, Paul Dano, Paul Giamatti, Sarah Paulson and Alfre Woodard star in this new drama from "Shame" director Steve McQueen. The film is based on Northup's acclaimed memoir.




  • "The Counselor" (Oct. 25)


    Michael Fassbender, Brad Pitt, Cameron Diaz, Javier Bardem and Penelope Cruz go bad in Ridley Scott's "The Counselor," based on an original script by Cormac McCarthy. Yes, please.




  • "Jackass: Bad Grandpa" (Oct. 25)


    OK.




  • "Ender's Game" (Nov. 1)


    An adaptation of the beloved young adult novel (from non-beloved author Orson Scott Card) stars Hailee Steinfeld, Asa Butterfield, Ben Kingsley and Harrison Ford.




  • "Free Birds" (Nov. 1)


    An animated movie about turkeys, "from the Academy Award-winning producer of 'Shrek.'"




  • "Last Vegas" (Nov. 1)


    Michael Douglas, Robert De Niro, Morgan Freeman and Kevin Kline star in this comedy, which looks like a mix of "The Hangover" and "Grumpy Old Men." Turtle from "Entourage" co-stars, at least for one scene.




  • "About Time" (Nov. 1)


    Rachel McAdams and Domhnall Gleeson star in this romantic comedy-cum-time travel drama from "Love Actually" director Richard Curtis. The trailer will make you cry. (The film opens nationwide on Nov. 8.)




  • "Diana" (Nov. 1)


    Naomi Watts stars as Princess Diana in this new biopic.




  • "How I Live Now" (Nov. 8)


    Think "Children of Men" mixed with "The Host." Kevin Macdonald, of "The Last King of Scotland" fame, directs.




  • "Thor: The Dark World" (Nov. 8)


    The sequel to "Thor" looks better than its predecessor in lots of ways, not the least of which being that Tom Hiddleston's Loki is fully unhinged. Petition for Loki spinoff starts here.




  • "The Best Man Holiday" (Nov. 15)


    A sequel to the 1999 film "The Best Man," which serves as further proof that the statute of limitations on part twos is infinite.




  • "The Book Thief" (Nov. 15)


    Geoffrey Rush and Emily Watson star in this adaptation of Markus Zusak's acclaimed best-selling novel.




  • "The Wolf Of Wall Street" (Nov. 15)


    Leonardo DiCaprio, Jonah Hill and Matthew McConaughey star in Martin Scorsese's new film, which looks to do for bankers what "Goodfellas" did for mobsters. Expect Oscars and endlessly quotable dialogue.




  • "Delivery Man" (Nov. 22)


    Vince Vaughn, Chris Pratt and Cobie Smulders star in this comedy about a man who fathered 533 children after making donations to a sperm bank.




  • "The Hunger Games: Catching Fire" (Nov. 22)


    She's back.




  • "Nebraska" (Nov. 22)


    Alexander Payne's latest film casts Bruce Dern and Will Forte as a father and son on a road trip. Expect to read a lot about this between now and the Academy Awards on March 2.




  • "Black Nativity" (Nov. 27)


    Forest Whitaker, Angela Bassett, Jennifer Hudson and Mary J. Blige star in this new drama, directed by Kasi Lemmons.




  • "Oldboy" (Nov. 27)


    Spike Lee's reinterpretation of Chan-wook Park's classic film stars Josh Brolin, Samuel L. Jackson, Sharlto Copley and Elizabeth Olsen.