IMHO.

Single-player games like Lost Kingdom: Idle War

Below are 8 single-player Steam games similar to Lost Kingdom: Idle War, 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 Lost Kingdom: Idle War page.

Ranked picks

  1. 1
    Mage Mayhem — Steam game cover

    Mage Mayhem

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    Mage Mayhem is a roguelike featuring unique magic with hundreds of different styles to explore. Customize your experience through a variety of abilities and upgrades. Enjoy alongside your friends, then battle them in various other PvP game modes.

    2023ActionStrategyIndieFreeSingle-playerSimilar games →
  2. 2
    The Legends in Kylamar — Steam game cover

    The Legends in Kylamar

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    The Legends in Kylamar is an action, thrilling turn-based RPG that will immerse the player in a world filled with enemies, surprises, and more importantly, memories!

    2021ActionStrategyIndie7.99 USDSingle-playerSimilar games →
  3. 3
    No Time For Caution — Steam game cover

    No Time For Caution

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    New Parkour Role Playing Game. No Time For Caution is a parkour-role-playing game with a tertiary perspective. Manage your character, try various game modes and face monsters to complete the parkours. Parkour and be an unstoppable warrior with your strong character.

    2022ActionStrategyIndieFreeDeck PlayableSingle-playerSimilar games →
  4. 4
    Arsica: Echoes of Ars — Steam game cover

    Arsica: Echoes of Ars

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    Arsica is a 2D Platformer RPG where you play as a demon hunter carrying a power no army ever had. Four demons claimed the lands. Mankind retreated to its last shelter. You are not here to survive. You are here to end it. Build your team, forge your gear, hunt every monster and four demon.

    2026ActionStrategyIndie9.89 USDSingle-playerSimilar games →
  5. 5
    Reverse Crawl — Steam game cover

    Reverse Crawl

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    A dungeon crawl where YOU are the dungeon! Lead your minions in tactical turn-based combat against the pesky heroes, and unlock a variety of evil Powers. With a dynamic campaign system and a branching storyline, "Reverse Crawl" lets you experience an RPG from a whole new angle!

    2015ActionStrategyAdventure5.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    The Storm Guard: Darkness is Coming — Steam game cover

    The Storm Guard: Darkness is Coming

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Action and Strategy with Lost Kingdom: Idle War.

    The Storm Guard is a challenging turn-based roguelike role-playing game inspired by the Night’s Watch in the Game of Thrones. You assume the role of the Lord Commander of the Storm Guard leading the order during difficult times. An ancient dragon and its minions have returned, threatening the realm of men.

    2016ActionStrategyIndie19.99 USDSingle-playerSimilar games →
  7. 7
    The Iron Oath — Steam game cover

    The Iron Oath

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Strategy and Indie with Lost Kingdom: Idle War.

    Command, endure, and prosper in The Iron Oath, a turn-based tactical RPG where the fate of your mercenary company rests on your decisions. Customize your roster, build your renown, and discover the secrets that await in the medieval fantasy realm of Caelum.

    2023StrategyIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Monochrome Mobius: Rights and Wrongs Forgotten — Steam game cover

    Monochrome Mobius: Rights and Wrongs Forgotten

    Single-player alternative to Lost Kingdom: Idle War — playable solo, no multiplayer required. Shares Strategy and Adventure with Lost Kingdom: Idle War.

    A new JRPG from veteran studio AQUAPLUS, commemorating 20 years of the multi-media Utawarerumono series. This is the story of a man who will be sung about in legends.

    2022StrategyAdventureRPG17.99 USDDeck VerifiedSingle-playerSimilar games →