IMHO.

Single-player games like Colonial Conquest

Below are 13 single-player Steam games similar to Colonial Conquest, 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 Colonial Conquest page.

Ranked picks

  1. 1
    SGS NATO's Nightmare — Steam game cover

    SGS NATO's Nightmare

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

    What if the Warsaw Pact had attacked NATO in the mid-1980s. Or the other way around? Study this titanic conflict, within its most emblematic theater, Germany and Central Europe. Will you be able to achieve your goals without escalating into an uncontrollable nuclear conflict?

    2023StrategySimulation34.99 USDSingle-playerSimilar games →
  2. 2
    SGS Operation Downfall — Steam game cover

    SGS Operation Downfall

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

    Project Manhattan failed! Operation Downfall, the Allied plan for the invasion of the Japanese home islands is set in motion. Start with Operation Olympic to capture Kyushu, and move on with Coronet, the landing near Tokyo. Force Japan surrender with the largest amphibious operation in history.

    2022StrategySimulation19.99 USDSingle-playerSimilar games →
  3. 3
    Making History: The First World War — Steam game cover

    Making History: The First World War

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

    A turn-based WWI Grand Strategy game. Rush to field new modern weaponry and survive the horrendous attrition battles. Join the global conflict between the Great Powers of the age and forge a new world order for freedom or tyranny.

    2021StrategyIndieSimulation24.99 USDSingle-playerSimilar games →
  4. 4
    Seres Universalis:Three Kingdoms — Steam game cover

    Seres Universalis:Three Kingdoms

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

    Return to the Three Kingdoms period. On the grand strategic tactical battlefield, use terrain for defense setup and resource allocation to shift the battle situation. Control the war via hexagonal grid movement and tactical ability activation, and unify the realm.

    StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Cascade: Hindcast — Steam game cover

    Cascade: Hindcast

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

    Cascade: Hindcast is an alternate-history grand strategy game where monthly political and military decisions reshape a living war map. Use hindsight, spend scarce political capital, and watch borders, armies, and consequences move in real time.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    Bomber Command — Steam game cover

    Bomber Command

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

    Take command of what would become the greatest air armada in history! Build, plan, coordinate, and command your forces into a mighty aerial armada against a smart German economy that adapts to your attacks, researches tech, and smartly reacts to your moves. Take over the Bomber Command.

    2023ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  7. 7
    Strategy & Tactics: Wargame Collection — Steam game cover

    Strategy & Tactics: Wargame Collection

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

    Strategy & Tactics: Wargame Collection is a set of three historical turn-based strategies, in which you are going to take command of the armies in the greatest Medieval wars as well as take control of countries and nations during World War II.

    2016Strategy9.99 USDSingle-playerSimilar games →
  8. 8
    Age of History 2: Definitive Edition — Steam game cover

    Age of History 2: Definitive Edition

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

    The grand strategy classic returns with improved gameplay, a massive 13,892 province map, expanded diplomacy and wartime capitulation, new civilizations and scenarios, atomic weapons, smarter AI, enhanced visuals, UI upgrades, and major performance improvements.

    2026StrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Risk — Steam game cover

    Risk

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

    Draft! Attack! Fortify! Play the original game of strategy and world domination — now for your PC. Enjoy the classic look and fun of RISK in an exciting new interactive experience. Play two ways as you strategize over the map and set out to conquer the world.

    2013StrategyCasualSingle-playerSimilar games →
  10. 10
    Total War: WARHAMMER II — Steam game cover

    Total War: WARHAMMER II

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

    Strategy gaming perfected. A breath-taking campaign of exploration, expansion and conquest across a fantasy world. Turn-based civilisation management and real-time epic strategy battles with thousands of troops and monsters at your command.

    2017ActionStrategy59.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Eiyu*Senki – The World Conquest — Steam game cover

    Eiyu*Senki – The World Conquest

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

    A mysterious hero from the heavens and the young ruler of Zipang, Himiko, set their sights on ending the eternal war burning around them, but to bring peace to the world they must first conquer it.

    2017StrategySimulationCasual14.99 USDSingle-playerSimilar games →
  12. 12
    Victoria — Steam game cover

    Victoria

    Single-player alternative to Colonial Conquest — playable solo, no multiplayer required. Shares Indie with Colonial Conquest.

    Join Victoria on her ghost hunt through the USA. Help her fight against supernatural creatures.

    2019IndieCasual9.99 USDSingle-playerSimilar games →
  13. 13
    Toe-tal War — Steam game cover

    Toe-tal War

    Single-player alternative to Colonial Conquest — playable solo, no multiplayer required. Shares Indie with Colonial Conquest.

    Toe-tal War is a platformer where you kill people with your foot smell. Run and jump to make your feet smelly, change your shoes and socks to control the smell — then get close to enemies and stink them to death.

    IndieAdventureRPGSingle-playerSimilar games →