IMHO.

Free games like Kingdom vs Zombies

Below are 8 free-to-play Steam games similar to Kingdom vs Zombies, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Kingdom vs Zombies page.

Ranked picks

  1. 1
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy and Indie with Kingdom vs Zombies.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  2. 2
    Fallout Shelter — Steam game cover

    Fallout Shelter

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares RPG with Kingdom vs Zombies.

    Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.

    2017SimulationRPGFree To PlayFreeDeck VerifiedFree to playSimilar games →
  3. 3
    Bloons TD Battles — Steam game cover

    Bloons TD Battles

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy with Kingdom vs Zombies.

    Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.

    2016ActionStrategyFree To PlayFreeDeck PlayableFree to playSimilar games →
  4. 4
    Kingdom: Classic — Steam game cover

    Kingdom: Classic

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy and Indie with Kingdom vs Zombies.

    Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.

    2015StrategyIndieSimulationFreeDeck VerifiedFree to playSimilar games →
  5. 5
    Mr.Mine — Steam game cover

    Mr.Mine

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy and Indie with Kingdom vs Zombies.

    Explore the depths of the earth and uncover hidden treasures in this addictive idle mining game. Unlock the power of your drill with hundreds of upgrades, discover mysterious relics, and unearth priceless gems. Can you master the mines and reveal their deepest secrets? Dive in and dig deep!

    2020StrategyIndieAdventureFreeDeck PlayableFree to playSimilar games →
  6. 6
    Yet Another Zombie Defense — Steam game cover

    Yet Another Zombie Defense

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy and Indie with Kingdom vs Zombies.

    Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.

    2014ActionStrategyIndieFreeFree to playSimilar games →
  7. 7
    Realm Grinder — Steam game cover

    Realm Grinder

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Strategy and RPG with Kingdom vs Zombies.

    Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!

    2017StrategyRPGFree To PlayFreeDeck VerifiedFree to playSimilar games →
  8. 8
    King Arthur's Gold — Steam game cover

    King Arthur's Gold

    Free-to-play alternative to Kingdom vs Zombies — no purchase or trial window. Shares Indie with Kingdom vs Zombies.

    Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?

    2013ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →