IMHO.

Single-player games like Grand Attrition

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

Ranked picks

  1. 1
    Alpha Lyrae Discovery — Steam game cover

    Alpha Lyrae Discovery

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    Alpha Lyrae (Vega) is the brightest star in the northern constellation of Lyra. You were sent to Alpha Lyrae system, and your first object is to discover and to transmit data back. The last and only message from the previous team: "It is a rich and soft planet. They are everywhere."

    2019StrategyIndieSimulation10.99 USDSingle-playerSimilar games →
  2. 2
    CrystalKeepers — Steam game cover

    CrystalKeepers

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

    Protect the crystal! Play as heroes with unique gameplays to defend the crystals against hordes of monsters.

    2023StrategyRPGCasual0.99 USDSingle-playerSimilar games →
  3. 3
    Lessaria: Fantasy Kingdom Sim — Steam game cover

    Lessaria: Fantasy Kingdom Sim

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.

    2025StrategyIndieSimulation24.90 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    I Am The Registered Environmental Engineer — Steam game cover

    I Am The Registered Environmental Engineer

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    This world is plagued by pollution, and as an engineer, you need to plan waste routes, gather, sort, and transport it to safe areas. Use powerful equipment to finally clean it up and restore cleanliness to the world.

    2024StrategyIndieSimulation6.99 USDSingle-playerSimilar games →
  5. 5
    Religion inc. — Steam game cover

    Religion inc.

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    Create your own unique religion in god simulator strategy sandbox games

    2025StrategyIndieSimulation4.99 USDSingle-playerSimilar games →
  6. 6
    God of Failure — Steam game cover

    God of Failure

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    Defend your castle from the orcish chavs, lure them into your traps and destroy them.

    2017StrategyIndieAdventure3.99 USDSingle-playerSimilar games →
  7. 7
    Crown of Greed — Steam game cover

    Crown of Greed

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    Master the art of indirect rule in this fantasy RTS inspired by the classic Majesty. Forget direct orders, use gold to bribe subjects and set bounties for heroes. Build your kingdom in Rodovia and master a unique system where the coin is king. Can you lead those who won't obey?

    2026StrategyIndieSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    miniBONG — Steam game cover

    miniBONG

    Single-player alternative to Grand Attrition — playable solo, no multiplayer required. Shares Strategy and Indie with Grand Attrition.

    "miniBONG" is a lightweight rogue-like game that focuses on dress-up DIY and idle gameplay, while incorporating elements of combat, character development, and strategy.. You can feel the charm of dressing up and fighting at the same time.

    2023StrategyIndieRPG9.99 USDDeck PlayableSingle-playerSimilar games →