IMHO.

Single-player games like Killing Room

Below are 17 single-player Steam games similar to Killing Room, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Killing Room page.

Ranked picks

  1. 1
    Immortal Redneck — Steam game cover

    Immortal Redneck

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Immortal Redneck is a FPS set in Egypt with rogue-lite elements. Frantic gameplay, twitch controls and an arcade-style feel meet randomly generated dungeons, a complete skill tree, permanent death and 9 classes with different traits.

    2017ActionIndie19.95 USDSingle-playerSimilar games →
  2. 2
    Our Darker Purpose — Steam game cover

    Our Darker Purpose

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Journey to the dark heart of the Edgewood Home for Lost Children in this fiendishly difficult action RPG!When her teacher stepped out of the classroom a month ago, Cordy never imagined he would be gone for good. Now her fellow students have turned on each other as the school descends into chaos.

    2014ActionIndieRPG14.99 USDSingle-playerSimilar games →
  3. 3
    Ziggurat — Steam game cover

    Ziggurat

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Dungeon-Crawling First Person Shooting at its finest! Fast-paced combat! Dozens of perks, spells and enemies! Level ups! Random Dungeons! Traps! Badass bosses! Carrots!

    2014ActionIndieRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    WASTED — Steam game cover

    WASTED

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Get wasted or get wasted trying in WASTED, a roguelike post-apocalyptic pub crawler. Fight tooth and nail, bullets and baseball bats in search of Booze, gain strange mutational Hangovers, and explore the Coolers in search of powerful weapons, armor, and a nice stiff drink to top it all off.

    2016ActionIndieRPG12.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Delver — Steam game cover

    Delver

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Delve into the shifting dungeons on your hunt for the Yithidian orb, but getting it might just be the easy part. Delver is a single player first-person action roguelike dungeon crawler, just like you wished they used to make.

    2018ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Eldritch — Steam game cover

    Eldritch

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.

    2013ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Heavy Bullets — Steam game cover

    Heavy Bullets

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.

    2014ActionIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Dungeon Souls — Steam game cover

    Dungeon Souls

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Dungeon Souls is an action-adventure roguelike dungeon crawler which draws heavy inspiration from Nuclear Throne, Risk of Rain, and Overture. Explore vast procedurally generated dungeons, collect loot, and slay hordes of challenging enemies!

    2016ActionIndieAdventure12.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    The Binding of Isaac — Steam game cover

    The Binding of Isaac

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Now 20% More Evil with the Free Halloween update!

    2011ActionIndieAdventure1.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Fallout 4 — Steam game cover

    Fallout 4

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares RPG with Killing Room.

    From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

    2015RPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    DOOM — Steam game cover

    DOOM

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action with Killing Room.

    Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.

    2016Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    ONE PIECE ODYSSEY — Steam game cover

    ONE PIECE ODYSSEY

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and RPG with Killing Room.

    A brand new RPG set in the world of the popular anime, ONE PIECE! Play as members of the Straw Hat Crew in a fantastic adventure set in the ONE PIECE world!

    2023ActionAdventureRPG39.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Defend Your Life: TD — Steam game cover

    Defend Your Life: TD

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.

    2015ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  14. 14
    Walking Zombie: Shooter — Steam game cover

    Walking Zombie: Shooter

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action with Killing Room.

    The Walking Zombie is a stationary FPS with an online co-op mode in a world full of zombies to kill. Buy and upgrade your weapons, kill all enemies in 200 levels and destroy mighty boss monsters before they eat you alive!

    2018ActionCasual4.99 USDSingle-playerSimilar games →
  15. 15
    Band of Defenders — Steam game cover

    Band of Defenders

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action with Killing Room.

    A Co-Op FPS game with base building in a post-apocalyptic world. Craft weapons, build barricades and automated turrets, unlock new gear and items for visual customization and kill all savages and mutants trying to destroy the remnants of human civilization.

    2018Action9.99 USDSingle-playerSimilar games →
  16. 16
    Build Wars — Steam game cover

    Build Wars

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Indie with Killing Room.

    Use and boost your creativity in these non-violent battles of block-building magic. Show that you are the best and gain recognition from fellow builders in this harsh but ultimately fair player vs. player online building game. Win, unlock new blocks and with it your potential.

    2018IndieAdventureCasualFreeSingle-playerSimilar games →
  17. 17
    Walking Zombie 2 — Steam game cover

    Walking Zombie 2

    Single-player alternative to Killing Room — playable solo, no multiplayer required. Shares Action and Indie with Killing Room.

    Zombie singleplayer shooter in modern polygon graphics with rich RPG elements.

    2019ActionIndieAdventureFreeDeck PlayableSingle-playerSimilar games →