IMHO.

Single-player games like Empyrean Frontier

Below are 9 single-player Steam games similar to Empyrean Frontier, 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 Empyrean Frontier page.

Ranked picks

  1. 1
    Supreme Commander — Steam game cover

    Supreme Commander

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    For a thousand years, three opposing forces have waged war for what they believe is true. There can be no room for compromise: their way is the only way. Dubbed The Infinite War, this devastating conflict has taken its toll on a once-peaceful galaxy and has only served to deepen the hatred between the factions.

    2011Strategy12.99 USDSingle-playerSimilar games →
  2. 2
    Earth 2160 — Steam game cover

    Earth 2160

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

    2006Strategy9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Supreme Commander: Forged Alliance — Steam game cover

    Supreme Commander: Forged Alliance

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    The last days of man are at hand.. Two years after the Infinite War the once great warring nations now lie in ruins, and humanity’s hope for a brighter future is nothing but a bitter memory. A new, seemingly unstoppable enemy, supported by the zealots of The Order, now seeks to eradicate mankind: UEF, Aeon Loyalist, and Cybran alike.

    2011Strategy12.99 USDSingle-playerSimilar games →
  4. 4
    Distant Worlds: Universe — Steam game cover

    Distant Worlds: Universe

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.  

    2014StrategySimulation29.99 USDSingle-playerSimilar games →
  5. 5
    Tempest Rising — Steam game cover

    Tempest Rising

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Action and Strategy with Empyrean Frontier.

    Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.

    2025ActionStrategy29.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Diplomacy is Not an Option — Steam game cover

    Diplomacy is Not an Option

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Action and Strategy with Empyrean Frontier.

    Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

    2024ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Homeworld: Deserts of Kharak — Steam game cover

    Homeworld: Deserts of Kharak

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.

    2016Strategy49.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Sins of a Solar Empire: Trinity® — Steam game cover

    Sins of a Solar Empire: Trinity®

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy and Indie with Empyrean Frontier.

    In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.

    2011StrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Fleet Command — Steam game cover

    Fleet Command

    Single-player alternative to Empyrean Frontier — playable solo, no multiplayer required. Shares Strategy with Empyrean Frontier.

    International waterways become theaters of war when the world's most formidable maritime powers exchange their fatal blows. With entire fleets at your command, you must strategically deploy vessels from every class - frigate to aircraft to nuclear submarine - to maintain the precarious balance of naval power and gain position for the...

    2006Strategy3.79 USDSingle-playerSimilar games →