IMHO.

Single-player games like Sub Command

Below are 9 single-player Steam games similar to Sub Command, 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 Sub Command page.

Ranked picks

  1. 1
    Fleet Command — Steam game cover

    Fleet Command

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

    International waterways become theaters of war when the world's most formidable maritime powers exchange their fatal blows. With entire fleets at your command, you must strategically deploy vessels from every class - frigate to aircraft to nuclear submarine - to maintain the precarious balance of naval power and gain position for the...

    2006Strategy3.79 USDSingle-playerSimilar games →
  2. 2
    Dangerous Waters — Steam game cover

    Dangerous Waters

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

    S.C.S. - Dangerous Waters allows you total control over multiple air, surface, and submarine platforms in a modern-day naval environment. Take direct control of individual crew stations and also plan and execute combined arms naval strategies from a top-down 'Commanders Eye' perspective.

    2006Strategy14.99 USDSingle-playerSimilar games →
  3. 3
    Cold Waters — Steam game cover

    Cold Waters

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

    Spiritual Successor to the Microprose Classic “Red Storm Rising”.

    2017StrategyIndieSimulation39.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Modern Naval Warfare — Steam game cover

    Modern Naval Warfare

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

    Command the silent service. Modern Naval Warfare is the definitive tactical simulation that puts you inside the pressure hull of a Virginia-Class nuclear submarine. This uncompromising tactical simulation offers unparalleled depth in graphics, physics, and authentic combat systems.

    2026StrategySimulationSingle-playerSimilar games →
  5. 5
    Nuclear Sub: Prologue — Steam game cover

    Nuclear Sub: Prologue

    Single-player alternative to Sub Command — playable solo, no multiplayer required.

    The Prologue is just part of the gameplay that awaits you in the full version of the game. A realistic nuclear submarine simulator will allow you to take command of your crew and battle your fiercest enemies. Arm yourself with missiles, dive into the ocean and fight for your country

    2026Free To PlayFreeSingle-playerSimilar games →
  6. 6
    Silent Hunter® III — Steam game cover

    Silent Hunter® III

    Single-player alternative to Sub Command — playable solo, no multiplayer required.

    The king of submarine simulations returns with an all-new 3D engine, new crew command features, and more realistic WWII naval action than ever before. The movie-like graphics and simple, tension-filled gameplay make this the perfect game for the realism fanatic and the casual gamer.

    2008Simulation9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Crash Dive — Steam game cover

    Crash Dive

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

    WWII tactical submarine combat! Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.

    2015StrategySimulationCasual3.99 USDSingle-playerSimilar games →
  8. 8
    Tigershark — Steam game cover

    Tigershark

    Single-player alternative to Sub Command — playable solo, no multiplayer required.

    2060 A.D. The Red Menace has resurfaced. The Sea Boils with submarines and battlecruisers, blood and oil. The skies are dark with enemy birds. Tigershark has been deployed. A fully-loaded subfoil prototype.

    2025Action9.99 USDSingle-playerSimilar games →
  9. 9
    688(I) Hunter/Killer — Steam game cover

    688(I) Hunter/Killer

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

    688(I) Hunter/Killer, the most realistic submarine simulation ever developed for PC. Master the sonar and weapons control systems, learn to develop real target situations and outfit your boat with the latest advanced weaponry. Then use your skills to complete the tour of duty and earn your dolphins to become a true submariner.

    2006Strategy3.79 USDSingle-playerSimilar games →