IMHO.

Single-player games like Castle Combat

Below are 9 single-player Steam games similar to Castle Combat, 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 Castle Combat page.

Ranked picks

  1. 1
    Attack on Toys — Steam game cover

    Attack on Toys

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

    Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!

    2021ActionStrategyIndie6.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Immortal Generals — Steam game cover

    Immortal Generals

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

    Immortal Generals is an action-packed real-time strategy (RTS) game set in a futuristic global conflict. Build fortified bases, manage your economy, command advanced armies, and turn the tide of battle with devastating nuclear and biological superweapons in multiplayer warfare.

    ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Lord Wars — Steam game cover

    Lord Wars

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

    No tedious fog of war. Outwit foes with terrain ambushes and shifting weather, build elite armies and wrap up intense medieval RTS matches quickly.

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Our War: The Strongest Shield — Steam game cover

    Our War: The Strongest Shield

    Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Strategy and Casual with Castle Combat.

    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 →
  5. 5
    Sunbreak War — Steam game cover

    Sunbreak War

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

    A light Rogue strategy game centered on building and defense. Build your territory, recruit soldiers to fend off enemies. 9 maps, 6 weapons (30 talents), 40 monsters, 30 units/buildings. Plan your pace, control soldiers, choose abilities—enjoy command and strategy.

    2026ActionStrategyIndie8.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Combat Mission Shock Force 2 — Steam game cover

    Combat Mission Shock Force 2

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

    The latest title in the famous Combat Mission franchise of wargames, now on Steam. Shock Force 2 brings you to a hypothetical conflict in Syria between the forces of NATO and the Syrian Army. Play either on WeGo or Real Time in an incredibly detailed and realistic 1:1 tactical simulation.

    2020StrategySimulation59.99 USDSingle-playerSimilar games →
  7. 7
    DEFCON — Steam game cover

    DEFCON

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

    Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

    2006StrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    D.O.T. Defence — Steam game cover

    D.O.T. Defence

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

    Welcome to the frontlines! Build towers, muster armies, and conquer the map. Challenge yourself in the single-player campaign following the Chroma Wars, survive relentless waves in solo defense, or battle it out in local matches against friends and AI bots. Victory comes with the last HQ standing!

    2025StrategyEarly Access7.99 USDSingle-playerSimilar games →
  9. 9
    Game of Life: Time — Steam game cover

    Game of Life: Time

    Single-player alternative to Castle Combat — playable solo, no multiplayer required. Shares Casual with Castle Combat.

    See the trajectory of Conway's Game of Life through time in a 3D perspective. Create cells, destroy cells, randomly generate cells, and observe the evolution of cell groups on the timeline!

    2024IndieSimulationCasual1.99 USDSingle-playerSimilar games →