IMHO.

Single-player games like Dunthera - Tower Defense

Below are 8 single-player Steam games similar to Dunthera - Tower 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 Dunthera - Tower Defense page.

Ranked picks

  1. 1
    Island Crusaders — Steam game cover

    Island Crusaders

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Dunthera - Tower Defense.

    Island Crusaders is a cute yet brutal tactical RTS game. Defend your home against swarms of enemies as your picturesque island gets stained by the blood of your enemies. Unlock new and unique units, strategically place and move them, and defeat the impending army.

    2021ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Crypt Keeper — Steam game cover

    Crypt Keeper

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Dunthera - Tower Defense.

    Unleash your inner necromancer in Crypt Keeper – a roguelite tower defense game. Raise skeleton armies, defend your crypt, and manipulate enemy waves with the ESSENCE-IAL update.

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    Heroic Assault — Steam game cover

    Heroic Assault

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dunthera - Tower Defense.

    Heroic Assault is a reverse tower defense game where you prepare your army to go through the infested lands of defenses. Choose your units wisely depending on the layout of the defenses and equip them with unique abilities.

    2024Strategy4.99 USDSingle-playerSimilar games →
  4. 4
    Together, Against Mork — Steam game cover

    Together, Against Mork

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Dunthera - Tower Defense.

    Together, Against Mork is a fast-paced single-player game that combines action-roguelike combat with tower-defense strategy. Slay the hordes, build smart defenses, and protect The Crystal at all costs. With every weapon, every hero, every defense—against Mork.

    2026ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    ELARIENNE — Steam game cover

    ELARIENNE

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Dunthera - Tower Defense.

    ELARIENNE is a defense game built on meticulous calculation and hardcore strategy. A single stroke of luck may shift the tide, but it is the carefully constructed strategy that ultimately decides the battle. Withstand relentless waves and protect the heart of the world of ELARIENNE.

    2025StrategyIndieSimulation7.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Save and Conquer : 8 Years — Steam game cover

    Save and Conquer : 8 Years

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Dunthera - Tower Defense.

    This is a 2D defense game that depicts the near future that may arise from climate change. Unlike the defense game, which is automatically attacked by traditional turrets, it is an attractive game that requires you to defeat the enemy by operating the turret directly with limited power.

    2022ActionStrategyIndieFreeSingle-playerSimilar games →
  7. 7
    Feline Survivor — Steam game cover

    Feline Survivor

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Dunthera - Tower Defense.

    Feline Survivor is a rogue-lite game that combines classic Monopoly and Backgammon.You'll travels different planets, defeat countless monsters, and build the perfect map loop and weapon combos in this game of luck and tactics, until you finally find the secret treasure guarded by the monsters.

    2025ActionStrategyIndie5.99 USDSingle-playerSimilar games →
  8. 8
    Dimension Core: Amethyst — Steam game cover

    Dimension Core: Amethyst

    Single-player alternative to Dunthera - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Dunthera - Tower Defense.

    A Roguelite strategy tower defense game. Different towers, events, and upgrades every run. Manage resources, fight alongside your towers, and defend the Dimension Core.

    StrategyIndieSingle-playerSimilar games →