IMHO.

Single-player games like Solar Kingdoms: Human Survival

Below are 9 single-player Steam games similar to Solar Kingdoms: Human Survival, 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 Solar Kingdoms: Human Survival page.

Ranked picks

  1. 1
    Admirals of Ophiuchus — Steam game cover

    Admirals of Ophiuchus

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    Design massive ships, bristling with weapons, on a macro scale. Engage in fleet-vs-fleet battles, featuring many different tactics. Play alone or in Coop combat missions, or form two teams of players (each with own fleet) to fight in an arena.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    ZeroSpace — Steam game cover

    ZeroSpace

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    ZeroSpace is a sci-fi hybrid RTS game with a story-rich, party-based RPG campaign. As commander of the Protectorate forces, you must upgrade your mothership, build strong relationships with your crew and recruit a formidable army. Navigate the hard choices that will shape humanity's future.

    2026ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Kingdom Wars 2: Definitive Edition — Steam game cover

    Kingdom Wars 2: Definitive Edition

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Strategy and Simulation with Solar Kingdoms: Human Survival.

    An intense real-time strategy game set in a dark fantasy world of Orcs, Elves and Dragons. Kingdom Wars 2 combines the best of Zombie survival and crafting with complex fast-paced city building. Fight massive siege battles that turn beautiful landscapes into gory blood-soaked battlefields.

    2019StrategyIndieSimulation9.99 USDSingle-playerSimilar games →
  4. 4
    Stronghold: Warlords — Steam game cover

    Stronghold: Warlords

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Strategy and Simulation with Solar Kingdoms: Human Survival.

    Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!

    2021StrategySimulation39.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    TFC: The Fertile Crescent — Steam game cover

    TFC: The Fertile Crescent

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Strategy with Solar Kingdoms: Human Survival.

    Gather resources, build your base, and lead your people to victory in this captivating reimagining of classic RTS, set in the Bronze Age. Secure fertile land, fend off raids, and stockpile food to generate knowledge and unlock powerful village advancements.

    2024Strategy10.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Medieval Kingdom Wars — Steam game cover

    Medieval Kingdom Wars

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    Rewrite medieval history through bloody siege combat in a fusion of RTS and Grand Strategy genres. Rule, build, and serve your King as a minor lord in medieval Europe. Experience siege, field and naval combat with an unseen degree of brutality. Rogue-like progression, epic towns and battles await…

    2019ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    9-Bit Armies: A Bit Too Far — Steam game cover

    9-Bit Armies: A Bit Too Far

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.

    2024ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Ancient Wars: Sparta Definitive Edition — Steam game cover

    Ancient Wars: Sparta Definitive Edition

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    One of the most innovative Real-Time Strategy Games comes back totally renewed and improved to the smallest detail, with epic large scale battles, new civilizations, unit customization system never seen before in a game, 8K support, and much more.

    2022ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Kingdoms Rise and Fall — Steam game cover

    Kingdoms Rise and Fall

    Single-player alternative to Solar Kingdoms: Human Survival — playable solo, no multiplayer required. Shares Action and Strategy with Solar Kingdoms: Human Survival.

    Kingdoms Rise and Fall is a captivating Real-Time Strategy game that takes you on an epic journey through different eras, spanning the entirety of history and beyond! Kingdoms Rise & Fall focuses more on culture, science, and keeping your nation happy over time.

    2023ActionStrategyIndie14.99 USDSingle-playerSimilar games →