IMHO.

Single-player games like Defenders of Ardania

Below are 11 single-player Steam games similar to Defenders of Ardania, 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 Defenders of Ardania page.

Ranked picks

  1. 1
    Lessaria: Fantasy Kingdom Sim — Steam game cover

    Lessaria: Fantasy Kingdom Sim

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.

    2025StrategyIndieSimulation24.90 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    CastleStorm — Steam game cover

    CastleStorm

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

    2013ActionStrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Two Worlds II Castle Defense — Steam game cover

    Two Worlds II Castle Defense

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    While the bloody battle between Gandohar’s troops and the armies of the Orcs is raging in front of the gates of Oswaroth, the emperor waits in the depths of his palace on the outcome of the struggle for power.

    2011Strategy9.99 USDSingle-playerSimilar games →
  4. 4
    GemCraft - Chasing Shadows — Steam game cover

    GemCraft - Chasing Shadows

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her.

    2015ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Prime World: Defenders 2 — Steam game cover

    Prime World: Defenders 2

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    Defenders 2, - an exciting hybrid of Tower Defense and CCG, - is now available on Steam! Challenge endless hordes of monsters: build an impassable defense on their path and protect your mines. Collect all the unique towers and prove that even a tornado is not an obstacle for you.

    2018StrategyMassively MultiplayerFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  6. 6
    HERO DEFENSE — Steam game cover

    HERO DEFENSE

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis.

    2016ActionStrategyIndie2.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Dwarfs!? — Steam game cover

    Dwarfs!?

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    Dig! Dig! Dig! Manage the small underground Dwarf base and make it as rich as possible before they meet their inevitable doom. Purchase before May 11th and save!

    2011StrategyIndieCasual9.99 USDSingle-playerSimilar games →
  8. 8
    Royal Defense — Steam game cover

    Royal Defense

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.

    2014StrategyIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Majesty 2 — Steam game cover

    Majesty 2

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    In the world of Majesty, you are the ruler of the kingdom Ardania. At your service are your loyal and somewhat obnoxious subordinates, who have their own minds about how things should be done. In fact, Majesty is the only game where your heroes decide on their own what should be done and when, leaving you to try to control them through...

    2009StrategySimulation2.49 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Thunder Wolves — Steam game cover

    Thunder Wolves

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required.

    When this “wolf pack” strikes, you hear the thunder roll. The Thunder Wolves attack from the air. They are mercenaries, and the best helicopter pilots in the world. Every one of them is ready for action at all times—and ready to fight evil, wherever it lurks.

    2013ActionIndieCasual1.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Joint Task Force — Steam game cover

    Joint Task Force

    Single-player alternative to Defenders of Ardania — playable solo, no multiplayer required. Shares Strategy with Defenders of Ardania.

    Joint Task Force is the real-time strategy (RTS) game where you command the frontline forces in tomorrow's most hazardous conflicts. Lead twenty dramatic missions in explosive war-zones including the Middle East, Central Asia, and the Balkans.

    2007ActionStrategy7.99 USDSingle-playerSimilar games →