IMHO.

Single-player games like Anthill Wars: Ant Colony Sim

Below are 8 single-player Steam games similar to Anthill Wars: Ant Colony Sim, 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 Anthill Wars: Ant Colony Sim page.

Ranked picks

  1. 1
    Biosphere-3 — Steam game cover

    Biosphere-3

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Biosphere-3 is a God-view Ecosystem Sandbox. Splice DNA to design species, watch them forge food webs and survival strategies. Raise volcanoes or glaciers to shape a dead planet. Unleash lightning, acid rain or hurricanes to steer evolution. Awaken as the creator — the last biosphere is yours.

    StrategyIndieSimulationSingle-playerSimilar games →
  2. 2
    Villfell — Steam game cover

    Villfell

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Send a scout. Dispatch your army. Grow your realm while they march. It's the browser-empire loop that ate your nights — rebuilt as a single-player RTS, one full run from frontier to final battle in about 3 hours. No alliances, no always-online, no getting farmed in your sleep.

    2026StrategyIndieSimulation1.69 USDSingle-playerSimilar games →
  3. 3
    Ant Mill Inc — Steam game cover

    Ant Mill Inc

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Feed the nest. Grow the swarm. Devour the world. A dark incremental ant colony game where one ant becomes thousands. Gather food, upgrade the nest, uncover strange offerings, and fight for survival. Face the HUNGER - or become it...

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Towers & Goblins: The Last Stand — Steam game cover

    Towers & Goblins: The Last Stand

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Build towers, manage resources, and lead units to defend your kingdom against goblins. Every decision you make determines your kingdom's fate.

    2025StrategyIndieSimulation4.99 USDSingle-playerSimilar games →
  5. 5
    Settle and Battle: New Empires — Steam game cover

    Settle and Battle: New Empires

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    A homage to classic real-time strategy games. Gather resources, build an empire, and command powerful armies to conquer the world. Lead six unique tribes, expand your territory, and engage in epic battles with hundreds of units on screen. Dominate in 18 missions and procedurally generated maps!

    2025StrategyIndieSimulation6.99 USDSingle-playerSimilar games →
  6. 6
    Air Defender — Steam game cover

    Air Defender

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Command the sky in a tense real-time strategy simulation where you manage a nation's air defenses. Analyze radar contacts, scramble interceptor jets, and make split-second decisions to protect your airspace from hostile threats.

    2025StrategyIndieSimulation20.19 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Mech Engineer — Steam game cover

    Mech Engineer

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.

    2024StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Skirmish Line — Steam game cover

    Skirmish Line

    Single-player alternative to Anthill Wars: Ant Colony Sim — playable solo, no multiplayer required. Shares Strategy and Indie with Anthill Wars: Ant Colony Sim.

    Experience the brutality and randomness of war as an Allied tactical commander in the Pacific Theater during World War 2. Train, equip, and command a squad of soldiers as you fight against the fanatical Imperial Japanese Empire.

    2019ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →