IMHO.

Single-player games like Idle TD: Heroes vs Zombies

Below are 9 single-player Steam games similar to Idle TD: Heroes 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 Idle TD: Heroes vs Zombies page.

Ranked picks

  1. 1
    ShredDead — Steam game cover

    ShredDead

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

    ShredDead is a quirky relaxing incremental zombie-shredding game focused on progression with no fail states. Defeat endless waves, collect loot, grow your skill tree and evolve the zombies.

    2026StrategyIndieCasualSingle-playerSimilar games →
  2. 2
    Idle Hero TD - Tower Defense — Steam game cover

    Idle Hero TD - Tower Defense

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

    Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!

    2024ActionStrategyIndieFreeDeck PlayableSingle-playerSimilar games →
  3. 3
    Idle Monster TD — Steam game cover

    Idle Monster TD

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

    An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

    2021StrategyIndieFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  4. 4
    Village Defenders — Steam game cover

    Village Defenders

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

    Village Defenders – A thrilling pixel art 2D roguelike game where you strategize to protect your village from relentless waves of undead. Gain experience, unlock powerful abilities, and defend your home from monstrous invaders! Can you hold the line and save the village?

    2025ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  5. 5
    Idle Monster TD: Evolved — Steam game cover

    Idle Monster TD: Evolved

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

    Evolve epic monsters and crush puny humans in this endless idle tower defense game! Unlock, upgrade, and evolve over 150 unique monsters and pets, ranging from cute and colorful flower creatures to epic fire breathing dragons, to assemble the ultimate team against the endless waves of enemies.

    2022StrategyIndieFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  6. 6
    Defender of Grids — Steam game cover

    Defender of Grids

    Single-player alternative to Idle TD: Heroes vs Zombies — playable solo, no multiplayer required. Shares Strategy and Casual with Idle TD: Heroes vs Zombies.

    A pixel-perfect Tower Defense game where defeat is just the beginning. Master the rock-paper-scissors balance of combat, speed up the action with 4x speed, and use your hard-earned XP to unlock powerful permanent skills. Can you hold the line?

    2026StrategyCasualSingle-playerSimilar games →
  7. 7
    Deadhold — Steam game cover

    Deadhold

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

    Deadhold is a roguelite zombie survival/strategy game where your choices impact who lives and who dies. Rescue survivors, scavenge resources, fortify your base, and protect your community against stress, infection, and zombies! Can you find a sense of normalcy in this cruel new world?

    2026StrategyIndieSimulationSingle-playerSimilar games →
  8. 8
    The Unearthened - Complete Edition — Steam game cover

    The Unearthened - Complete Edition

    Single-player alternative to Idle TD: Heroes vs Zombies — playable solo, no multiplayer required. Shares Strategy with Idle TD: Heroes vs Zombies.

    Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.

    2023StrategySimulation7.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Monster Tiles TD: Tower Wars — Steam game cover

    Monster Tiles TD: Tower Wars

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

    Free Tower Defense game with unique roguelike elements. Custom base building mechanics allow you to create your own base and maze with tiles earned after each wave. Unleash a variety of monsters, each with its own evolution path and unique skills, and evolve them into legendary creatures.

    2024ActionStrategyIndieFreeDeck PlayableSingle-playerSimilar games →