IMHO.

Single-player games like Gunderworld

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

Ranked picks

  1. 1
    The Disaster — Steam game cover

    The Disaster

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

    Defend, survive, unlock, interact, upgrade and eliminate all zombies. A first person shooter game against zombies.

    2021ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  2. 2
    Covid-26 — Steam game cover

    Covid-26

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

    Survive a new world reality where a deadly new mutation of COVID-19 has transformed humans into terrifying zombies. Driven by a desperate call for help, you must brave the infected world to find and save your best friend.

    2026ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  3. 3
    Edessa: School of Wizardry — Steam game cover

    Edessa: School of Wizardry

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

    Cast your spells with Edessa's unique spellcasting. Destroy the demons that have plagued the earth. Witness how Göbeklitepe shaped the history. Let the mythical creatures lead your way. Solve the puzzles and find what destiny has in store for you.

    2022ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  4. 4
    Night Of the Loving Dead — Steam game cover

    Night Of the Loving Dead

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

    Easy game for easy life. Enjoy.

    2022ActionStrategyIndie10.99 USDSingle-playerSimilar games →
  5. 5
    Blood Reaver — Steam game cover

    Blood Reaver

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

    A Dark-fantasy, Round-based FPS. Become the Blood Reaver in solo or 4-player co-op. Harness forbidden magic and weaponry to shoot, blast and slice your way through endless hordes of demons. Upgrade your arsenal and survive long enough to discover the ancient secrets of the gods of hell.

    2026ActionSportsIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Deadfall Adventures — Steam game cover

    Deadfall Adventures

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

    Deadfall Adventures is an action-driven first-person shooter, spiced up with elements from action-adventure games. Become an adventurer, hunt for treasures, explore unknown regions of the world and rescue the damsel in distress from the clutches of enemies, both earthly and not-so-earthly.

    2013ActionAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Metal: Hellsinger — Steam game cover

    Metal: Hellsinger

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

    Slay to the rhythm of metal and vengeance on an infernal journey through the eight Hells. Make them fear the beat. Metal: Hellsinger is a rhythm FPS bursting with demons, badass weapons, and heavy metal music.

    2022ActionAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Arizona Sunshine® — Steam game cover

    Arizona Sunshine®

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

    Built exclusively for VR, Arizona Sunshine® puts you and up to 3 fellow survivors in the midst of a zombie apocalypse. Survive solo or in co-op, handle weapons with real-life movements, and explore a post-apocalyptic world in VR. Putting the undead back to rest is more thrilling than ever before.

    2016ActionIndieAdventure19.99 USDSingle-playerSimilar games →