FILM ATLAS

Enjoyed 21? Start here.

Movies like 21

Find your next watch through shared stories, themes and filmmakers. See why each film connects, then explore the map.

21 poster

Your starting film

Film · 10 connections

21 (2008)

  • Crime
  • Drama
  • 123 min
  • 12 age guide
  • ★ 6.7/10 from 5,167 ratings

Ben Campbell is a young, highly intelligent student at M.I.T. who strives to succeed. Wanting a scholarship to transfer to Harvard School of Medicine to become a doctor, Ben learns that he cannot afford the $300,000 tuition as he comes from a poor, working-class background. But one evening, Ben is introduced by his unorthodox math professor to a small but secretive club of five students, Jill, Choi, Kianna, and Fisher, who are being trained by Professor Rosa to count cards at blackjack.

Directed byRobert Luketic

Follow a connection

What to watch after 21

A feature-film shortlist from the cached Film Atlas engine. The interactive map may include more titles or newer results. These are similarity matches, not a guarantee of age suitability.

  1. 01

    Here Comes the Boom

    Strong story similarity

    2012 · 105 min · Action · Comedy · Drama

    Read synopsis

    A high school biology teacher moonlights as a mixed-martial arts fighter in an effort to raise money to save the school's music program.

    Why it connects

    • strong story and style similarity
    • a closely matched era
    • shared production studio: Columbia Pictures
    Explore movies like Here Comes the Boom
  2. 02

    The Visitor

    Strong story similarity

    2008 · 104 min · Crime · Drama · Music

    Read synopsis

    A college professor travels to New York City to attend a conference and finds a young couple living in his apartment.

    Why it connects

    • strong story and style similarity
    • strong genre and movie-style overlap
    • a closely matched era
    Explore movies like The Visitor
  3. 03

    A Beautiful Mind

    Strong story similarity

    2001 · 135 min · Drama · Other

    Read synopsis

    From the heights of notoriety to the depths of depravity, John Forbes Nash Jr. experiences it all. As a brilliant but socially awkward mathematician, he made a groundbreaking discovery early in his career and stands on the brink of international acclaim. But as the handsome and arrogant Nash accepts secret work in cryptography, he becomes entangled in a mysterious conspiracy. His life takes a nightmarish turn and he soon finds himself on a painful and harrowing journey of self-discovery.

    Why it connects

    • strong story and style similarity
    • shared themes: harvard university and professor
    • similar audience response
    Explore movies like A Beautiful Mind
  4. 04

    The Gambler

    Strong story similarity

    2014 · 111 min · Crime · Drama · Thriller

    Read synopsis

    Literature professor Jim Bennett leads a secret life as a high-stakes gambler. Always a risk-taker, Bennett bets it all when he borrows from a gangster and offers his own life as collateral. Staying one step ahead, he pits his creditor against the operator of an illicit gambling ring while garnering the attention of Frank, a paternalistic loan shark. As his relationship with a student deepens, Bennett must risk everything for a second chance.

    Why it connects

    • strong story and style similarity
    • strong genre and movie-style overlap
    • shared themes: gambling and professor
    Explore movies like The Gambler
  5. 05

    Loser

    Strong story similarity

    2000 · 95 min · Comedy · Other

    Read synopsis

    On a university scholarship, a good natured student from the midwest gets a crash course in city life while dealing with three evil roommates. He befriends a virtually homeless college student whom he falls for, but she's dating a nasty professor.

    Why it connects

    • strong story and style similarity
    • shared production studio: Columbia Pictures
    Explore movies like Loser
  6. 06

    Proof

    Strong story similarity

    2005 · 100 min · Drama · Mystery

    Read synopsis

    Catherine is a woman in her late twenties who is strongly devoted to her father, Robert, a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness, Catherine begins to wonder if she may have inherited her father's mental illness along with his mathematical genius.

    Why it connects

    • strong story and style similarity
    • a closely matched era
    Explore movies like Proof
  7. 07

    Hard Eight

    Strong story similarity

    1997 · 102 min · Crime · Drama

    Read synopsis

    A stranger mentors a young Reno gambler who weds a hooker and befriends a vulgar casino regular.

    Why it connects

    • strong story and style similarity
    • strong shared themes: casino and gambling
    • strong genre and movie-style overlap
    Explore movies like Hard Eight
  8. 08

    The Social Network

    Same studio

    2010 · 121 min · Drama

    Read synopsis

    In 2003, Harvard undergrad and computer programmer Mark Zuckerberg begins work on a new concept that eventually turns into the global social network known as Facebook. Six years later, Mark is one of the youngest billionaires ever, but his unprecedented success leads to both personal and legal complications when he ends up on the receiving end of two lawsuits, one involving his former friend.

    Why it connects

    • substantial genre overlap
    • a closely matched era
    • shared production studio: Columbia Pictures, Relativity Media, Trigger Street Productions, Michael De Luca Productions
    Explore movies like The Social Network
  9. 09

    The Emperor's Club

    Shared cast

    2002 · 108 min · Drama

    Read synopsis

    William Hundert is a passionate and principled Classics professor who finds his tightly-controlled world shaken and inexorably altered when a new student, Sedgewick Bell, walks into his classroom. What begins as a fierce battle of wills gives way to a close student-teacher relationship, but results in a life lesson for Hundert that will still haunt him a quarter of a century later.

    Why it connects

    • strong story and style similarity
    • substantial genre overlap
    • a principal cast member
    Explore movies like The Emperor's Club
  10. 10

    X+Y

    Strong story similarity

    2015 · 111 min · Drama

    Read synopsis

    Struggling to connect with those around him, a teenage math prodigy trains for the International Mathematical Olympiad, where a budding romance with a fellow contestant breaks through his emotional walls and teaches him that love cannot be calculated.

    Why it connects

    • strong story and style similarity
    • substantial genre overlap
    Explore movies like X+Y

How these movie recommendations work

Film Atlas combines story similarity, movie metadata and TMDB relationship signals. Shared studios can support a match; audience and film-format safeguards help avoid poor fits. The explanations above come from the engine’s recorded evidence—not invented reviews.

A similarity match is different from a quality rating. Use the map to explore the connections and decide what fits your mood.

Start with 21