IMHO.

Single-player games like Warhammer 40,000: Fire Warrior (Classic)

Below are 9 single-player Steam games similar to Warhammer 40,000: Fire Warrior (Classic), 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 Warhammer 40,000: Fire Warrior (Classic) page.

Ranked picks

  1. 1
    Warhammer 40,000: Boltgun — Steam game cover

    Warhammer 40,000: Boltgun

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    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 →
  2. 2
    Bloodspill — Steam game cover

    Bloodspill

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    Bloodspill is a fast-paced, pvp retro fps with one hit combat, featuring classic gamemodes like deathmatch, capture the flag and conquest!

    ActionIndieSingle-playerSimilar games →
  3. 3
    DOOM + DOOM II — Steam game cover

    DOOM + DOOM II

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    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 →
  4. 4
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    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 →
  5. 5
    Ion Fury — Steam game cover

    Ion Fury

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    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 →
  6. 6
    WRATH: Aeon of Ruin — Steam game cover

    WRATH: Aeon of Ruin

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

    2024Action24.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Dread Templar — Steam game cover

    Dread Templar

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!

    2023ActionIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Warhammer 40,000: Space Marine 2 — Steam game cover

    Warhammer 40,000: Space Marine 2

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.

    2024ActionAdventureRPG59.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Unreal Tournament: Game of the Year Edition — Steam game cover

    Unreal Tournament: Game of the Year Edition

    Single-player alternative to Warhammer 40,000: Fire Warrior (Classic) — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Fire Warrior (Classic).

    Unreal Tournament is the original King of the Hill in the frag-or-be-fragged multiplayer gaming world. As the undisputed 1999 Game of the Year, Unreal Tournament grabbed the first person shooter genre by the soiled seat of its pants and knocked it around the room with its never-before-seen graphics, brutal edge-of-your-seat gameplay and...

    2008ActionDeck PlayableSingle-playerSimilar games →