IMHO.

Single-player games like Kingdom vs Zombies

Below are 10 single-player Steam games similar to Kingdom vs Zombies, 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 Kingdom vs Zombies page.

Ranked picks

  1. 1
    Decision: Red Daze — Steam game cover

    Decision: Red Daze

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Decision: Red Daze is an action RPG with a unique mix of survival and tower defense mechanics. Explore an apocalyptic wasteland, build a safe haven, and lead your team of specialists in a hopeless world, searching for a cure for the infectious disease that turns people into monsters.

    2022ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    The Riftbreaker — Steam game cover

    The Riftbreaker

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

    2021ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    They Are Billions — Steam game cover

    They Are Billions

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy with Kingdom vs Zombies.

    They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?

    2019Strategy29.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    MarZ: Tactical Base Defense — Steam game cover

    MarZ: Tactical Base Defense

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

    2019StrategyIndie21.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    BARRICADEZ — Steam game cover

    BARRICADEZ

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Barricadez is a mix of tower defense and survival game. Take on your care robot and explore the underground, find new blueprints, gather resources and build your defenses and traps to survive through the night against a myriad of zombie-like creatures. Your goal: to defend the defenseless cradle.

    2021StrategyIndieSimulation18.99 USDSingle-playerSimilar games →
  6. 6
    Blood Waves — Steam game cover

    Blood Waves

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Hardcore and bloody shooter where you will have to repel the attacks of the living dead using the destroying traps, defensive barricades and also weapon of close and long-range combat.

    2018ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  7. 7
    7 Days to Die — Steam game cover

    7 Days to Die

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!

    2024ActionStrategyIndie44.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Rebuild 3: Gangs of Deadsville — Steam game cover

    Rebuild 3: Gangs of Deadsville

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Rebuild a ruined city in this post-apocalyptic mix of strategy and simulation. Manage survivors, scavenge for food and supplies, deal with rival gangs, illness, interpersonal strife and zombie attacks.

    2015StrategyIndieSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Virus Madness - Dungeons of your Body — Steam game cover

    Virus Madness - Dungeons of your Body

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    Fight your way through vicious viruses, bacterias to save all humanity in this cute shooter game. Advance through dungeons of your body and destroy them all

    2020ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  10. 10
    What The Fortress!? — Steam game cover

    What The Fortress!?

    Single-player alternative to Kingdom vs Zombies — playable solo, no multiplayer required. Shares Strategy and Indie with Kingdom vs Zombies.

    A Tower Defense game where YOU carve the path for your enemies and YOU form the terrain. Unlock 20+ Towers, fight against 30 types of enemies and choose from 5 different ground tiles.

    2022StrategyIndieCasual4.99 USDSingle-playerSimilar games →
Single-player games like Kingdom vs Zombies — 10 solo picks · imho.run