IMHO.

Single-player games like Heretic + Hexen

Below are 20 single-player Steam games similar to Heretic + Hexen, 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 Heretic + Hexen page.

Ranked picks

  1. 1
    DOOM + DOOM II — Steam game cover

    DOOM + DOOM II

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

    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 →
  2. 2
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

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

    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 →
  3. 3
    Quake II — Steam game cover

    Quake II

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

    You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.

    2007Action9.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Blood™ Fresh Supply — Steam game cover

    Blood™ Fresh Supply

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

    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 →
  5. 5
    Rise of the Triad: Ludicrous Edition — Steam game cover

    Rise of the Triad: Ludicrous Edition

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

    The HUNT Returns... AGAIN! Play the original Cult Classic '90s FPS remastered in 4K Ultrawide with UNLIMITED frame rates, RESTORED content, NEW episodes, a LEVEL EDITOR, online MULTIPLAYER, LUDICROUS gameplay options and MORE. Make 'em EAT LEAD or they'll bury you in a lunchbox!

    2023Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Quake — Steam game cover

    Quake

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

    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 →
  7. 7
    HeXen II — Steam game cover

    HeXen II

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

    The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.

    2007Action4.99 USDSingle-playerSimilar games →
  8. 8
    Duke Nukem 3D: 20th Anniversary World Tour — Steam game cover

    Duke Nukem 3D: 20th Anniversary World Tour

    Single-player alternative to Heretic + Hexen — playable solo, no multiplayer required. Shares Action and Adventure with Heretic + Hexen.

    Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way.

    2016ActionAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Nightwatch: Nightmare Creatures — Steam game cover

    Nightwatch: Nightmare Creatures

    Single-player alternative to Heretic + Hexen — playable solo, no multiplayer required.

    Nightwatch: Nightmare Creatures is a horror game for one or two players. Your task will be to restore and repair the equipment as well... avoiding victims of megacorporation experiments.

    2023IndieSimulation4.99 USDSingle-playerSimilar games →
  10. 10
    Wolfenstein 3D — Steam game cover

    Wolfenstein 3D

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

    World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.

    2007Action4.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Spear of Destiny — Steam game cover

    Spear of Destiny

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

    It's World War II and you are B.J. Blazkowicz, the Allies' most valuable agent. In the midst of the German Blitzkrieg, the Spear that pierced the side of Christ is taken from Versailles by the Nazis and secured in the impregnable Castle Wolfenstein. According to legend, no man can be defeated when he has the Spear.

    2007ActionSingle-playerSimilar games →
  12. 12
    Unreal Tournament: Game of the Year Edition — Steam game cover

    Unreal Tournament: Game of the Year Edition

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

    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 →
  13. 13
    Sacrifice — Steam game cover

    Sacrifice

    Single-player alternative to Heretic + Hexen — playable solo, no multiplayer required.

    Sacrifice is the acclaimed real-time strategy game that focuses on combat instead of resource gathering. The only two resources you'll need to worry about are mana and souls. Need more units? Capture the souls of your enemy. Cast spells of awesome power.

    200924.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    The Elder Scrolls V: Skyrim — Steam game cover

    The Elder Scrolls V: Skyrim

    Single-player alternative to Heretic + Hexen — playable solo, no multiplayer required. Shares RPG with Heretic + Hexen.

    EPIC FANTASY REBORN The next chapter in the highly anticipated Elder Scrolls saga arrives from the makers of the 2006 and 2008 Games of the Year, Bethesda Game Studios. Skyrim reimagines and revolutionizes the open-world fantasy epic, bringing to life a complete virtual world open for you to explore any way you choose.

    2011RPG19.99 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    DOOM Eternal — Steam game cover

    DOOM Eternal

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

    Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.

    2020Action39.99 USDDeck PlayableSingle-playerSimilar games →
  16. 16
    DOOM — Steam game cover

    DOOM

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

    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 →
  17. 17
    DOOM: The Dark Ages — Steam game cover

    DOOM: The Dark Ages

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

    DOOM: The Dark Ages is the prequel to the critically acclaimed DOOM (2016) and DOOM Eternal that tells an epic cinematic story worthy of the DOOM Slayer’s legend. Players will step into the blood-stained boots of the DOOM Slayer, in this never-before-seen dark and sinister medieval war against Hell.

    2025Action69.99 USDDeck VerifiedSingle-playerSimilar games →
  18. 18
    RAGE 2 — Steam game cover

    RAGE 2

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

    RAGE 2 brings together two studio powerhouses – Avalanche Studios, masters of open world insanity, and id Software, creators of the first-person shooter – to deliver a carnival of carnage where you can go anywhere, shoot anything, and explode everything.

    2019Action39.99 USDSingle-playerSimilar games →
  19. 19
    RAGE — Steam game cover

    RAGE

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

    Powered by id’s revolutionary id Tech® 5 technology, RAGE is an intense first-person shooter with breakneck vehicle combat, an expansive world to explore, and jaw-dropping graphics!

    2011Action9.99 USDSingle-playerSimilar games →
  20. 20
    DOOM 3 — Steam game cover

    DOOM 3

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

    A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.

    2012Action9.99 USDSingle-playerSimilar games →