IMHO.

Single-player games like Colonize

Below are 11 single-player Steam games similar to Colonize, 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 Colonize page.

Ranked picks

  1. 1
    Anno 1701 History Edition — Steam game cover

    Anno 1701 History Edition

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Rediscover the classic gameplay of 1701 A.D. and its expansion The Sunken Dragon in Anno® 1701 History Edition.

    2024StrategySimulation4.99 USDSingle-playerSimilar games →
  2. 2
    Anno 1602 History Edition — Steam game cover

    Anno 1602 History Edition

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

    Relive the beginnings of the Anno® series with Anno® 1602 History Edition, updated and optimized for current computers.

    2024Strategy9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Kingdom Wars 2: Definitive Edition — Steam game cover

    Kingdom Wars 2: Definitive Edition

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    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
    Here Comes The Swarm — Steam game cover

    Here Comes The Swarm

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?

    2026StrategyIndieSimulation15.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Settlement Survival — Steam game cover

    Settlement Survival

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.

    2022StrategySimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    From Glory To Goo — Steam game cover

    From Glory To Goo

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.

    2024StrategySimulationEarly Access8.39 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Final Outpost: Definitive Edition — Steam game cover

    Final Outpost: Definitive Edition

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Final Outpost is a survival strategy base-builder. You lead the last survivors of the apocalypse. Assign roles, craft tools, and manage resources carefully. Construct buildings, level up your citizens, and fortify your town against hordes of zombies. How many days can you survive?

    2025StrategySimulation9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Gord — Steam game cover

    Gord

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Gord is a single-player adventure strategy. To survive, you must build, but to prevail, you must conquer the darkness beyond the gates. In this dark fantasy world, you must complete quests while managing a populace whose personal stories and well-being decide the fate of your tribe.

    2023StrategyIndieAdventure4.99 USDSingle-playerSimilar games →
  9. 9
    Property Tycoon — Steam game cover

    Property Tycoon

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Property Tycoon gives you a unique chance to create your own real estate business. Buy devastated flats, houses and commercial premises all around the city. Renovate the acquired property, but first, look around and redesign the apartments so that they meet the requirements of future customers.

    StrategyIndieSimulationSingle-playerSimilar games →
  10. 10
    Colonize Prologue — Steam game cover

    Colonize Prologue

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Strategy and Simulation with Colonize.

    Colonize Prologue is a combination of survival game and building strategy that takes place during the colonization period - the 17th century. It tells the story of a settlement in the new world and all the difficulties encountered by the early settlers.

    2022StrategySimulationFreeSingle-playerSimilar games →
  11. 11
    House Master — Steam game cover

    House Master

    Single-player alternative to Colonize — playable solo, no multiplayer required. Shares Simulation with Colonize.

    Have you ever dreamed of what it would be like to build your own house? Or maybe just your own gazebo, shed, or outdoor fireplace? What would it look like, and how much could it cost? The House Master will answer all these questions and more!

    SimulationEarly AccessSingle-playerSimilar games →