IMHO.

Single-player games like Malignant

Below are 8 single-player Steam games similar to Malignant, 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 Malignant page.

Ranked picks

  1. 1
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

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

    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 →
  2. 2
    DOOM + DOOM II — Steam game cover

    DOOM + DOOM II

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

    Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Wolfenstein: Youngblood — Steam game cover

    Wolfenstein: Youngblood

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

    Wolfenstein: Youngblood is the first modern co-op Wolfenstein adventure. Team up with a friend or play solo as one of BJ Blazkowicz’s twin daughters and wield a powerful arsenal of new weapons, gadgets, and abilities to liberate Paris from the Nazis.

    2019Action19.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    RAID: World War II — Steam game cover

    RAID: World War II

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

    RAID: World War II is an action-packed four player cooperative shooter set during a time when the Nazi war machine was still winning, and hope was in short supply.

    2017ActionAdventureRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Call of Duty®: Black Ops 7 — Steam game cover

    Call of Duty®: Black Ops 7

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

    In Call of Duty®: Black Ops 7, Treyarch and Raven Software are bringing players the biggest Black Ops ever across an innovative Co-Op Campaign, an electrifying Multiplayer experience, and the legendary Round-Based Zombies mode.

    2025Action69.99 USDSingle-playerSimilar games →
  6. 6
    Prodeus — Steam game cover

    Prodeus

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

    Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

    2022ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Ion Fury — Steam game cover

    Ion Fury

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

    3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!

    2019ActionIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Warhammer 40,000: Boltgun — Steam game cover

    Warhammer 40,000: Boltgun

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

    Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.

    2023ActionIndie21.99 USDDeck VerifiedSingle-playerSimilar games →