IMHO.

Single-player games like Interplanetary: Enhanced Edition

Below are 12 single-player Steam games similar to Interplanetary: Enhanced 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 Interplanetary: Enhanced Edition page.

Ranked picks

  1. 1
    Battlestar Galactica Deadlock — Steam game cover

    Battlestar Galactica Deadlock

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy with Interplanetary: Enhanced Edition.

    In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?

    2017StrategyDeck PlayableSingle-playerSimilar games →
  2. 2
    Warhammer 40,000: Regicide — Steam game cover

    Warhammer 40,000: Regicide

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Interplanetary: Enhanced Edition.

    Warhammer 40,000: Regicide is a brutal take on one of the greatest turn based strategy games of all time. Regicide fuses multiple phases of gameplay with dynamic action. Maneuver your army into place and unleash a devastating array of tactical abilities to crush your enemies.

    2015ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    BATTLETECH — Steam game cover

    BATTLETECH

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy with Interplanetary: Enhanced Edition.

    Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.

    2018ActionStrategyAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Shadow Empire — Steam game cover

    Shadow Empire

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Simulation with Interplanetary: Enhanced Edition.

    Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.

    2020StrategySimulationRPG39.99 USDSingle-playerSimilar games →
  5. 5
    Aeronautica Imperialis: Flight Command — Steam game cover

    Aeronautica Imperialis: Flight Command

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy with Interplanetary: Enhanced Edition.

    Take to the skies! Guide your Imperial Navy or Ork Airwaagh squadron to victory and experience every dive, roll and ultra high-G turn through desperate dogfights in this tactical aerial combat game. Life is the Emperor’s currency, spend it well.

    2020StrategyDeck PlayableSingle-playerSimilar games →
  6. 6
    Warhammer 40,000: Gladius - Relics of War — Steam game cover

    Warhammer 40,000: Gladius - Relics of War

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy with Interplanetary: Enhanced Edition.

    Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.

    2018Strategy39.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Pandora: First Contact — Steam game cover

    Pandora: First Contact

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Simulation with Interplanetary: Enhanced Edition.

    Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

    2014StrategySimulation29.99 USDSingle-playerSimilar games →
  8. 8
    Unity of Command II — Steam game cover

    Unity of Command II

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Interplanetary: Enhanced Edition.

    Unity of Command II is the sequel to one of the most critically acclaimed strategy games of all time; a game critics called 'the perfect gateway' into computer war games.

    2019StrategyIndieSimulation29.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Worms — Steam game cover

    Worms

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy with Interplanetary: Enhanced Edition.

    Throw a grenade down memory lane with the original and classic turn-based strategy game Worms™! Up to 4 teams of worms do battle over an ever-changing battlefield with falling weapon crates, crazed exploding sheep and more besides. Winner of many industry awards, find out what all the fuss was about.

    2011Strategy7.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Interplanetary — Steam game cover

    Interplanetary

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Interplanetary: Enhanced Edition.

    In this turn-based strategy game, players wage interplanetary wars by developing their home planets and firing massive artilleries through the unpredictable gravity fields of the planetary system.

    2015StrategyIndieDeck PlayableSingle-playerSimilar games →
  11. 11
    Worbital — Steam game cover

    Worbital

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Interplanetary: Enhanced Edition.

    With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!

    2019ActionStrategyIndie12.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Mushroom Crusher Extreme — Steam game cover

    Mushroom Crusher Extreme

    Single-player alternative to Interplanetary: Enhanced Edition — playable solo, no multiplayer required. Shares Indie with Interplanetary: Enhanced Edition.

    Mushroom Crusher Extreme is a retro-styled arcade-action game, that throws you right in the heart of a giant Shroom invasion. Fight off the vicious fungi with elemental magic and save the day, before it’s too late.

    2019ActionIndie7.99 USDDeck PlayableSingle-playerSimilar games →