IMHO.

Games like Half-Life 2 and Left 4 Dead

Looking for games like both Half-Life 2 and Left 4 Dead? Below are 24 Steam games ranked by imho.run's hybrid recommender for players who enjoy both titles. Both Half-Life 2 and Left 4 Dead share Action roots, making the overlapping player base a strong signal for what to play next. Each pick is scored by combining collaborative filtering across millions of Steam libraries — players who own Half-Life 2 and Left 4 Dead also tend to own these — with content overlap on genres, categories, and storefront tags, plus review-mined vibe embeddings that catch tonal similarity even when genre labels differ. No Steam login required.

Half-Life 2 — Steam game coverLeft 4 Dead — Steam game cover
Shared genres:Action

Best matches for fans of both games

Ranked by collaborative filtering, genre overlap, and review-mined vibes — the same signals that power imho.run.

  1. 1
    Left 4 Dead 2 — Steam game cover

    Left 4 Dead 2

    Top pick for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.

    ActionDeck VerifiedSteam ↗
  2. 2
    Half-Life: Alyx — Steam game cover

    Half-Life: Alyx

    Second pick for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Adventure with both games.

    Half-Life: Alyx is Valve’s VR return to the Half-Life series. It’s the story of an impossible fight against a vicious alien race known as the Combine, set between the events of Half-Life and Half-Life 2. Playing as Alyx Vance, you are humanity’s only chance for survival.

    ActionAdventureSteam ↗
  3. 3
    Half-Life — Steam game cover

    Half-Life

    Third pick for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

    ActionDeck VerifiedSteam ↗
  4. 4
    Black Mesa — Steam game cover

    Black Mesa

    Ranked #4 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Indie with both games.

    Relive Half-Life.

    ActionIndieAdventureDeck PlayableSteam ↗
  5. 5
    Contagion — Steam game cover

    Contagion

    Ranked #5 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Indie with both games.

    Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

    ActionIndieAdventureDeck VerifiedSteam ↗
  6. 6
    Back 4 Blood — Steam game cover

    Back 4 Blood

    Ranked #6 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.

    ActionDeck PlayableSteam ↗
  7. 7
    Killing Floor — Steam game cover

    Killing Floor

    Ranked #7 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!

    ActionDeck PlayableSteam ↗
  8. 8
    GTFO — Steam game cover

    GTFO

    Ranked #8 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

    ActionDeck PlayableSteam ↗
  9. 9
    BioShock™ — Steam game cover

    BioShock™

    Ranked #9 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and RPG with both games.

    BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from simple revolvers to grenade launchers and chemical throwers, but you'll also be forced to genetically modify your DNA to create an even more deadly weapon: you.

    ActionRPGDeck PlayableSteam ↗
  10. 10
    Killing Floor 2 — Steam game cover

    Killing Floor 2

    Ranked #10 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.

    ActionDeck PlayableSteam ↗
  11. 11
    Half-Life: Blue Shift — Steam game cover

    Half-Life: Blue Shift

    Ranked #11 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.

    ActionDeck PlayableSteam ↗
  12. 12
    PAYDAY 2 — Steam game cover

    PAYDAY 2

    Ranked #12 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and RPG with both games.

    PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree.

    ActionRPGDeck VerifiedSteam ↗
  13. 13
    DOOM 3 — Steam game cover

    DOOM 3

    Ranked #13 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.

    ActionDeck PlayableSteam ↗
  14. 14
    BioShock® 2 — Steam game cover

    BioShock® 2

    Ranked #14 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Set approximately 10 years after the events of the original BioShock, the halls of Rapture once again echo with sins of the past. Along the Atlantic coastline, a monster has been snatching little girls and bringing them back to the undersea city of Rapture.

    ActionDeck PlayableSteam ↗
  15. 15
    Deep Rock Galactic — Steam game cover

    Deep Rock Galactic

    Ranked #15 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!

    ActionDeck PlayableSteam ↗
  16. 16
    Counter-Strike — Steam game cover

    Counter-Strike

    Ranked #16 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

    ActionDeck PlayableSteam ↗
  17. 17
    Arizona Sunshine® — Steam game cover

    Arizona Sunshine®

    Ranked #17 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Indie with both games.

    Built exclusively for VR, Arizona Sunshine® puts you and up to 3 fellow survivors in the midst of a zombie apocalypse. Survive solo or in co-op, handle weapons with real-life movements, and explore a post-apocalyptic world in VR. Putting the undead back to rest is more thrilling than ever before.

    ActionIndieAdventureSteam ↗
  18. 18
    Team Fortress 2 — Steam game cover

    Team Fortress 2

    Ranked #18 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Free To Play with both games.

    Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!

    ActionFree To PlayFreeDeck PlayableSteam ↗
  19. 19
    Dying Light — Steam game cover

    Dying Light

    Ranked #19 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and RPG with both games.

    First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.

    ActionRPGDeck VerifiedSteam ↗
  20. 20
    Zombie Army Trilogy — Steam game cover

    Zombie Army Trilogy

    Ranked #20 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2.

    ActionDeck VerifiedSteam ↗
  21. 21
    Dishonored — Steam game cover

    Dishonored

    Ranked #21 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Adventure with both games.

    Dishonored is an immersive first-person action game that casts you as a supernatural assassin driven by revenge. With Dishonored’s flexible combat system, creatively eliminate your targets as you combine the supernatural abilities, weapons and unusual gadgets at your disposal.

    ActionAdventureDeck VerifiedSteam ↗
  22. 22
    Counter-Strike: Source — Steam game cover

    Counter-Strike: Source

    Ranked #22 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

    ActionDeck PlayableSteam ↗
  23. 23
    Call of Duty®: Black Ops III — Steam game cover

    Call of Duty®: Black Ops III

    Ranked #23 for fans of both Half-Life 2 and Left 4 Dead. Shares Action and Adventure with both games.

    Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion.

    ActionAdventureDeck PlayableSteam ↗
  24. 24
    Metro: Last Light Redux — Steam game cover

    Metro: Last Light Redux

    Ranked #24 for fans of both Half-Life 2 and Left 4 Dead. Shares Action with both games.

    It is the year 2034. Beneath the ruins of post-apocalyptic Moscow, in the tunnels of the Metro, the remnants of mankind are besieged by deadly threats from outside – and within. Mutants stalk the catacombs beneath the desolate surface, and hunt amidst the poisoned skies above.

    ActionDeck VerifiedSteam ↗

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