IMHO.

Single-player games like Blood: One Unit Whole Blood

Below are 16 single-player Steam games similar to Blood: One Unit Whole Blood, 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 Blood: One Unit Whole Blood page.

Ranked picks

  1. 1
    Blood II: The Chosen + Expansion — Steam game cover

    Blood II: The Chosen + Expansion

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Includes original Blood II: The Chosen and add-on package The Nightmare LevelsAn immersive atmosphere full of dark humor and exciting actionFour playable characters and wide variety of weapons

    2014ActionAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Blood™ Fresh Supply — Steam game cover

    Blood™ Fresh Supply

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    Battle an army of sycophantic cultists, zombies, gargoyles, hellhounds, and an insatiable host of horrors in your quest to defeat the evil Tchernobog. Squirm through 42 loathesome levels filled with more atmosphere than a Lovecraftian mausoleum.

    2019ActionSingle-playerSimilar games →
  3. 3
    Warhammer 40,000: Boltgun 2 — Steam game cover

    Warhammer 40,000: Boltgun 2

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    Obliterate heretics in the name of the Emperor in Warhammer 40,000: Boltgun 2! Play as Ultramarine Malum Caedo or Sister of Battle Nyra Veyrath in this sequel to retro FPS Warhammer 40,000: Boltgun with MORE enemies, MORE weapons, and NEW ways to purge!

    2026ActionIndieSingle-playerSimilar games →
  4. 4
    Quake — Steam game cover

    Quake

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.

    2025Action29.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Back 4 Blood — Steam game cover

    Back 4 Blood

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    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.

    2021Action59.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Dementium: The Ward — Steam game cover

    Dementium: The Ward

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Classic DS horror reborn. Awaken in an abandoned hospital with no memory, no escape and unspeakable horrors lurking in the dark. The horror classic Dementium: The Ward returns, enhanced for 4K display and Steam Deck Verified, where every shadow hides a new threat, and every corridor a new nightmare.

    2025ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Hellbound — Steam game cover

    Hellbound

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!

    2020ActionIndie7.49 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Shadow Warrior — Steam game cover

    Shadow Warrior

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Shadow Warrior is a bold reimagining of the classic 3D Realms’ shooter from independent developer Flying Wild Hog (Hard Reset) starring the legendary and quick-witted warrior Lo Wang.

    2013ActionAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    DOOM — Steam game cover

    DOOM

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    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 →
  11. 11
    Death of a Wish — Steam game cover

    Death of a Wish

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action with Blood: One Unit Whole Blood.

    THE NEO-SANCTUM SHALL FALL. Claim retribution against the theocratic Faiths as you master vicious hack-and-slash combat in this action-RPG where style is salvation.

    2024ActionIndieRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    BLACK BOX LSS - The Shining Immortal — Steam game cover

    BLACK BOX LSS - The Shining Immortal

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required.

    Immerse yourself in a pixel-art visual novel that blends thrilling crime, romantic comedy, and the pursuit of love. This game depicts the story of a new employee pursuing his female boss.

    2023IndieRPGFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  13. 13
    Heretic + Hexen — Steam game cover

    Heretic + Hexen

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.

    2025ActionAdventureRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    Middle-earth™: Shadow of War™ — Steam game cover

    Middle-earth™: Shadow of War™

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Experience an epic open-world brought to life by the award-winning Nemesis System. Forge a new Ring of Power, conquer Fortresses in massive battles and dominate Mordor with your personal orc army in Middle-earth™: Shadow of War™.

    2017ActionAdventureRPG49.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    Middle-earth™: Shadow of Mordor™ — Steam game cover

    Middle-earth™: Shadow of Mordor™

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required.

    Fight through Mordor and uncover the truth of the spirit that compels you, discover the origins of the Rings of Power, build your legend and ultimately confront the evil of Sauron in this new chronicle of Middle-earth.

    201419.99 USDDeck VerifiedSingle-playerSimilar games →
  16. 16
    Shogo: Mobile Armor Division — Steam game cover

    Shogo: Mobile Armor Division

    Single-player alternative to Blood: One Unit Whole Blood — playable solo, no multiplayer required. Shares Action and Adventure with Blood: One Unit Whole Blood.

    Shogo is an anime-inspired first-person shooter. Fight on foot or pilot a giant mech in both open and urban levels. You will know the true power of giant robots!

    2017ActionStrategyAdventure19.99 USDDeck PlayableSingle-playerSimilar games →