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Single-player games like Zombie City Defense 2

Below are 11 single-player Steam games similar to Zombie City Defense 2, 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 Zombie City Defense 2 page.

Ranked picks

  1. 1
    Atom Zombie Smasher — Steam game cover

    Atom Zombie Smasher

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Zombie City Defense 2.

    The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.

    2011StrategyIndie9.99 USDSingle-playerSimilar games →
  2. 2
    MarZ: Tactical Base Defense — Steam game cover

    MarZ: Tactical Base Defense

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Zombie City Defense 2.

    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 →
  3. 3
    Steel Division: Normandy 44 — Steam game cover

    Steel Division: Normandy 44

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Action and Strategy with Zombie City Defense 2.

    Steel Division: Normandy is a tactical real-time strategy (RTS) game that pits players against AI enemies in a single-player campaign -- or against several opponents in massive 10-on-10 multiplayer battles.

    2017ActionStrategySimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Breach & Clear: Deadline Rebirth (2016) — Steam game cover

    Breach & Clear: Deadline Rebirth (2016)

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Zombie City Defense 2.

    A deadly new breed of human monster is on the rise, and it’s up to players to stop the infestation before it spreads. Breach & Clear: DEADline Rebirth is a new and greatly improved version of B&C: Deadline, the follow-up to Breach & Clear, the critically acclaimed hybrid tactical strategy game.

    2015ActionIndieRPG9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    AI War 2 — Steam game cover

    AI War 2

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Zombie City Defense 2.

    The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

    2019StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Call to Arms — Steam game cover

    Call to Arms

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Zombie City Defense 2.

    Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.

    2018ActionIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Freeman: Guerrilla Warfare — Steam game cover

    Freeman: Guerrilla Warfare

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Action and Indie with Zombie City Defense 2.

    In the anarchic world of Freeman: Guerrilla Warfare, only the mightiest warlord rules. Start with a pistol and a few militias, you will set yourself on a wild and ambitious journey towards world domination. Enjoy the immersive combination of intense FPS and sandbox strategy.

    2019ActionIndieRPG24.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    They Are Billions — Steam game cover

    They Are Billions

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy with Zombie City Defense 2.

    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 →
  9. 9
    EMERGENCY — Steam game cover

    EMERGENCY

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Action and Strategy with Zombie City Defense 2.

    Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you!

    2023ActionStrategyFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  10. 10
    Click and Conquer — Steam game cover

    Click and Conquer

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Zombie City Defense 2.

    Click and Conquer is a short, relaxing incremental game. Drop bombs through the fog of war, uncover hidden enemies, collect rewards, and spend currency to boost passive income, increase bombing power, and unlock new maps.

    2025StrategySimulationCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Into the Void — Steam game cover

    Into the Void

    Single-player alternative to Zombie City Defense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Zombie City Defense 2.

    Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles. Travel through space and discover the origin of a cosmic threat which destroyed Earth centuries ago. Fight or cooperate with the different factions; be a leader !

    2015StrategyIndieAdventure1.99 USDSingle-playerSimilar games →