IMHO.

Single-player games like Defender's Quest: Valley of the Forgotten (DX edition)

Below are 8 single-player Steam games similar to Defender's Quest: Valley of the Forgotten (DX edition), 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 Defender's Quest: Valley of the Forgotten (DX edition) page.

Ranked picks

  1. 1
    Chess Defense Saga — Steam game cover

    Chess Defense Saga

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    A chess-themed tower defense game with unique strategies, stories, and illustrations!

    2023StrategyIndieCasual5.99 USDSingle-playerSimilar games →
  2. 2
    King Towers — Steam game cover

    King Towers

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    Welcome to King Towers, a challenging Retro Flash Tower Defence. Protect your life, gold and mana from fast and very ugly villagers, knights, evil witches and cows armed to their teeth!

    2024StrategyIndieRPG2.99 USDSingle-playerSimilar games →
  3. 3
    Aurora Dusk: Steam Age — Steam game cover

    Aurora Dusk: Steam Age

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    An amazing mix of RPG, strategy, simulation, sandbox and survival game. Aurora Dusk looks like many other games, but instead of being alone, you live in a community. You can play one or more villagers and evolve from the Wood Age to the Steam Age.

    2019StrategyIndieRPG9.99 USDSingle-playerSimilar games →
  4. 4
    Defender's Quest 2: Mists of Ruin — Steam game cover

    Defender's Quest 2: Mists of Ruin

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    Rise above the Mirk and protect your ship from dangers unknown in the latest entry in the classic Defender’s Quest tower defense series!

    2025StrategyIndieRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Has-Been Heroes — Steam game cover

    Has-Been Heroes

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    Has-Been Heroes is a challenging, lane-based roguelike game of strategy and action, featuring a band of heroes on a quest to escort the King's twin princesses to school!

    2017ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Age of Fear 4: The Iron Killer — Steam game cover

    Age of Fear 4: The Iron Killer

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and Indie with Defender's Quest: Valley of the Forgotten (DX edition).

    Play as Angela, a fearless young Vampire Hunter on the trail of a brutal murderer. Along with the mysterious Nazell, embark on an epic quest into the heart of the criminal underworld. Age of Fear is a complex turn-based strategy series (full of jokes) that fuses a tabletop wargame with RPG elements.

    2021StrategyIndieRPG29.99 USDSingle-playerSimilar games →
  7. 7
    Plants vs. Zombies GOTY Edition — Steam game cover

    Plants vs. Zombies GOTY Edition

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy with Defender's Quest: Valley of the Forgotten (DX edition).

    Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.

    2009Strategy4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Divinity: Original Sin 2 - Definitive Edition — Steam game cover

    Divinity: Original Sin 2 - Definitive Edition

    Single-player alternative to Defender's Quest: Valley of the Forgotten (DX edition) — playable solo, no multiplayer required. Shares Strategy and RPG with Defender's Quest: Valley of the Forgotten (DX edition).

    The critically acclaimed RPG that raised the bar, from the creators of Baldur's Gate 3. Gather your party. Master deep, tactical combat. Venture as a party of up to four - but know that only one of you will have the chance to become a God.

    2017StrategyAdventureRPG44.99 USDDeck VerifiedSingle-playerSimilar games →