IMHO.

Single-player games like Decisive Campaigns: Case Blue

Below are 12 single-player Steam games similar to Decisive Campaigns: Case Blue, 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 Decisive Campaigns: Case Blue page.

Ranked picks

  1. 1
    Advanced Tactics Gold — Steam game cover

    Advanced Tactics Gold

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    Advanced Tactics: Gold offers a unique and infinitely replayable wargaming experience for any strategy fan. Building off of the enormous success of Advanced Tactics: World War II, the Gold edition gives players a more powerful game editor, much improved random game engine, many new features and abilities, and more.

    2014StrategySimulation29.99 USDSingle-playerSimilar games →
  2. 2
    Unity of Command II — Steam game cover

    Unity of Command II

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    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 →
  3. 3
    Order of Battle: World War II — Steam game cover

    Order of Battle: World War II

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    Order of Battle: World War II is a breath of fresh air for all strategy fans. It is a game that takes wargaming to a new level by upgrading every single game element and rebooting the genre for a new generation of players.

    2015StrategySimulationFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  4. 4
    Panzer Tactics HD — Steam game cover

    Panzer Tactics HD

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    Strategists to the frontline!The HD remake of the Nintendo DS classic.Are you the strategist that the world has been waiting for?

    2014StrategySimulation9.99 USDSingle-playerSimilar games →
  5. 5
    The Operational Art of War IV — Steam game cover

    The Operational Art of War IV

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    The Operational Art of War IV is the new generation of operational wargames. With more flexibility than before and with a new array of exciting features, it will make you relive the most iconic battles from the dawn of the 20th Century to modern day, including the ones that never occurred!

    2018StrategySimulation39.99 USDSingle-playerSimilar games →
  6. 6
    Gary Grigsby's War in the East — Steam game cover

    Gary Grigsby's War in the East

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    War on an Epic scale from Moscow to Berlin – this is War in the East!

    2015StrategySimulation79.99 USDSingle-playerSimilar games →
  7. 7
    WarPlan — Steam game cover

    WarPlan

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    WarPlan is an incredibly accurate World War II simulation engine. It is a balance of realism and playability incorporating the best from 50 years of World War II board wargaming. Play a recreated World War II in every detail, thanks to the engine flexibility and database

    2020StrategyIndieSimulation39.99 USDSingle-playerSimilar games →
  8. 8
    Lock 'n Load Tactical Digital: Core Game — Steam game cover

    Lock 'n Load Tactical Digital: Core Game

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    Lock 'n Load Tactical is fast and Furious tactical combat that is fast to learn. In LnLT you get squads, weapon teams, armored vehicles, fixed-wing aircraft, and, in the modern-era games, helicopters. Individuals such as Leaders, Medics, Snipers, Chaplains, Advisors, and, of course, Heroes.

    2020StrategyIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Decisive Campaigns: Barbarossa — Steam game cover

    Decisive Campaigns: Barbarossa

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy with Decisive Campaigns: Case Blue.

    Command a true operational structure. Can you balance and prioritize three different Theatres in order to achieve your objective?

    2016Strategy49.99 USDSingle-playerSimilar games →
  10. 10
    Shadow Empire — Steam game cover

    Shadow Empire

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    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 →
  11. 11
    Decisive Campaigns: The Blitzkrieg from Warsaw to Paris — Steam game cover

    Decisive Campaigns: The Blitzkrieg from Warsaw to Paris

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy and Simulation with Decisive Campaigns: Case Blue.

    Decisive Campaigns: The Blitzkrieg from Warsaw to Paris is the first in an innovative series of operational World War II wargames that also include a strategic element. The Blitzkrieg from Warsaw to Paris simulates Germany’s military successes in Poland and France in 1939 and 1940 .

    2015StrategySimulation39.99 USDSingle-playerSimilar games →
  12. 12
    Decisive Campaigns: Ardennes Offensive — Steam game cover

    Decisive Campaigns: Ardennes Offensive

    Single-player alternative to Decisive Campaigns: Case Blue — playable solo, no multiplayer required. Shares Strategy with Decisive Campaigns: Case Blue.

    Decisive Campaigns: Ardennes Offensive is the fourth wargame in the Decisive Campaign series. Covering the battles in the Ardennes between December 1944 and January 1945, it brings to life Operational wargaming by lowering the scale to just above tactical level.

    2022Strategy39.99 USDSingle-playerSimilar games →