IMHO.

Single-player games like WarOS

Below are 8 single-player Steam games similar to WarOS, 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 WarOS page.

Ranked picks

  1. 1
    Our War: The Strongest Shield — Steam game cover

    Our War: The Strongest Shield

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

    A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.

    2024StrategySimulationCasual9.99 USDSingle-playerSimilar games →
  2. 2
    Ashes of the Singularity II — Steam game cover

    Ashes of the Singularity II

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

    In this massive RTS game, command vast armies fighting for control of entire worlds. Control the forces of Earth, the mechanical AI Substrate, or the enigmatic Post-Human Coalition as you battle across the solar system in single player, cooperative multiplayer, or competitive multiplayer.

    StrategySimulationSingle-playerSimilar games →
  3. 3
    ReEarth — Steam game cover

    ReEarth

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

    ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!

    2024StrategyIndieRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Broken Arrow — Steam game cover

    Broken Arrow

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

    Broken Arrow is a large-scale real-time modern warfare tactics game that combines the complexity of joint-forces wargaming with action-packed real-time tactics gameplay.

    2025Strategy49.99 USDSingle-playerSimilar games →
  5. 5
    Battlefleet Gothic: Armada (Classic) — Steam game cover

    Battlefleet Gothic: Armada (Classic)

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

    Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.

    2016Strategy14.99 USDSingle-playerSimilar games →
  6. 6
    Taur — Steam game cover

    Taur

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

    Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

    2020ActionStrategyIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Radio Commander: Vietnam '64 — Steam game cover

    Radio Commander: Vietnam '64

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

    Use the radio to give commands to the soldiers on the battlefield. Keep track of the situation based on their voice reports only. Lead US platoons to clash with Vietcong in a realistic, innovative approach to the RTS genre. Make hard choices in a narrative driven experience, and face the outcome.

    2019StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    AI War 2 — Steam game cover

    AI War 2

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

    The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

    2019StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →