IMHO.

Single-player games like Defenders of Etheria

Below are 8 single-player Steam games similar to Defenders of Etheria, 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 Etheria page.

Ranked picks

  1. 1
    Requiem For a Lost World — Steam game cover

    Requiem For a Lost World

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    A survival roguelike where your weapons fight for you. Survive 30 minutes against endless enemy waves by crafting builds from weapons, items, and elemental reactions. Play solo or with up to 8 players. Every run is an opportunity, every decision is crucial.

    2024ActionIndieRPGFreeSingle-playerSimilar games →
  2. 2
    Angelfall — Steam game cover

    Angelfall

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    Face the endless armies of Light and become the nightmare they fear! Angelfall is a roguelike reverse-horror game, in which you play as powerful Archdemon, slaughter hordes of humans, harvest their souls, and discover devastating synergies. Grow stronger, unlock new powers, and conquer the Light.

    ActionRPGCasualSingle-playerSimilar games →
  3. 3
    Death of Eternity — Steam game cover

    Death of Eternity

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

    You were created to purge all that defile. Slaughter hoards of such filth, gaining powerful items and abilities with every drop of blood. Forge your own path through the heavens fully customizing your experience. Share in this virtuous crusade with up to three friends in Online multiplayer co-op!

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Masterstone — Steam game cover

    Masterstone

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    Roguelite action RPG with procedural levels and story. Random skills and loot force improvised builds, making every playthrough unique. Every enemy is a potential danger, resources are scarce, and death is punishing.

    ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    Terraclysm Survivors — Steam game cover

    Terraclysm Survivors

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    Terraclysm Survivors is a fast-paced action roguelike sidescroller. Earth is in peril, jump and attack through treacherous stages packed with enemy hordes while building the ultimate loadout. With up to 8 players online, defeat the invaders and survive in this apocalyptic and chaotic challenge!

    2026ActionIndieRPGSingle-playerSimilar games →
  6. 6
    Horde Slayer — Steam game cover

    Horde Slayer

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    A fast-paced co-op action game where you customize your build, survive relentless hordes, and conquer brutal challenges for higher scores and bragging rights.

    2025ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  7. 7
    FriendOS — Steam game cover

    FriendOS

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

    FriendOS is a 1-3 player action RPG where viruses must die! Strike and batter your opponents in Cartoon Sports Combat, and create the virtual animal avatar of your dreams. Hang out in lobbies with up to 12 friends and team up to protect the world of FriendOS from virus corruption.

    2027ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Crimson Moon — Steam game cover

    Crimson Moon

    Single-player alternative to Defenders of Etheria — playable solo, no multiplayer required. Shares Action and RPG with Defenders of Etheria.

    You are Nephilim: a human-angel hybrid forged to defend humanity with supernatural powers. Fight solo or with a friend to annihilate demons and challenge brutal bosses in relentless melée combat. Rise, violent one. The prophecy is yours to fulfill.

    2026ActionAdventureRPG19.99 USDSingle-playerSimilar games →