IMHO.

Games like Alien Swarm

Co-operative multiplayer game and complete code base available for free.

ActionFree To Playby Valvereleased Jul 19, 2010
Alien Swarm header

Top 12 games similar to Alien Swarm

  1. 1

    Alien Swarm: Reactive Drop

    Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

    ActionFree To Play
  2. 2

    Left 4 Dead

    From Valve (the creators of Counter-Strike, Half-Life and more) comes Left 4 Dead, a co-op action horror game for the PC and Xbox 360 that casts up to four players in an epic struggle for survival against swarming zombie hordes and terrifying mutant monsters.

    Action
  3. 3

    Team Fortress 2

    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 Play
  4. 4

    Evolve Stage 2

    Play Evolve for free with Evolve Stage 2! Evolve Stage 2 is a next-generation free multiplayer shooter featuring addictive 4v1 gameplay. One player-controlled monster must evade and outsmart a team of four uniquely skilled hunters.

    ActionFree To Play
  5. 5

    Dead Space

    The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.

    ActionAdventure
  6. 6

    BRINK

    You decide the combat role you want to assume in the world of Brink as you fight to save yourself and mankind’s last refuge!

    ActionFree To Play
  7. 7

    Aliens: Dark Descent

    Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.

    ActionStrategy
  8. 8

    World of Warships

    Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!

    ActionFree To PlayMassively Multiplayer
  9. 9

    Alien Breed: Impact

    Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

    Action
  10. 10

    EARTH DEFENSE FORCE: WORLD BROTHERS 2

    The Earth is in pieces...again! We've gotta do more to save the planet!

    Action
  11. 11

    Alien Breed 3: Descent

    Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.

    Action
  12. 12

    Apex Legends™

    Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale.

    ActionAdventureFree To Play

About imho.run

imho.run is a Steam game recommender that combines collaborative filtering (ALS / iALS / EASE / LightGCN) with content-based scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted gameplay vibes from review text. The lists you see here are generated in seed mode — anchored on Alien Swarm— so they answer the question “what plays like this?” rather than “what fits my library?”

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