IMHO.

Single-player games like Zombie House Defense

Below are 8 single-player Steam games similar to Zombie House Defense, 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 House Defense page.

Ranked picks

  1. 1
    Deadlocked — Steam game cover

    Deadlocked

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

    Deadlocked: an adrenaline-packed Cartoon top-down shooter. Customize your loadout with unique weapons, unlock fun little pets, and upgrade your character. Master responsive gameplay and become a cutesy robot killing machine, There's one rule, Defy Deadlock

    2024ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  2. 2
    Don't Pop My Bubble — Steam game cover

    Don't Pop My Bubble

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

    Shoot! Upgrade! Defend! In this twin-stick roguelike, protect all things bubble from infinite waves of pointy bad guys! Upgrade yourself and your base, or better yet, use a super attack, and stop everything from trying to pop you!

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →
  3. 3
    Necromancer's Revenge — Steam game cover

    Necromancer's Revenge

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

    Summon the Dark Lord for revenge! This game combines survival and roguelite elements, where you summon monsters and place totems to defeat monsters and take down the Dark Lord!

    2024ActionIndieRPG4.99 USDSingle-playerSimilar games →
  4. 4
    Mushrooms vs Engineers — Steam game cover

    Mushrooms vs Engineers

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

    Mushrooms vs Engineers is a top-down bullet heaven/hell where you are The Engineer, armed with your trusty nail-gun battle the hordes of Mushrooms over 20 waves until you face the final boss. The enemies you face are affected by your own choice of upgrades in the shop.

    2026ActionIndieCasualSingle-playerSimilar games →
  5. 5
    Kitty's Last Adventure — Steam game cover

    Kitty's Last Adventure

    Single-player alternative to Zombie House Defense — playable solo, no multiplayer required. Shares Action and Casual with Zombie House Defense.

    Cute Survivor where you play as Kitty the cat aboard her flying cat-saucer🛸 created by her distraught human.

    2025ActionCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Sharded World — Steam game cover

    Sharded World

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

    Sharded World is a reversed bullet hell, rogue-lite, ARPG game combining simple gameplay and great rpg progression. Each level has its own unique features and challenges. Upgradable characters, weapons and orbs. Challenges, daily quests, and leaderboards. Fight, get stronger and defeat the Lich!

    2023ActionIndieAdventure4.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Cluckmech Oasis — Steam game cover

    Cluckmech Oasis

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

    Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.

    2024ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Astro Looter: Survivor — Steam game cover

    Astro Looter: Survivor

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

    Explore alien planets to mine resources, kill alien insects, build defense turrets, and survive waves of insect attacks across the galactic frontier. Astro Looter combines elements of survival, roguelike, and tower defense in a top-down shooter.

    2024ActionStrategyAdventure2.99 USDDeck PlayableSingle-playerSimilar games →