IMHO.

Single-player games like Idle Keep

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

Ranked picks

  1. 1
    Piece Quest Idle — Steam game cover

    Piece Quest Idle

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and RPG with Idle Keep.

    Shape a party that keeps growing while you’re away. Gather resources, upgrade your base, craft gear, customize hero skill trees, and tune auto-battle strategies to conquer powerful bosses

    2026IndieRPGCasualSingle-playerSimilar games →
  2. 2
    UNHUMAN — Steam game cover

    UNHUMAN

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie with Idle Keep.

    UNHUMAN is a 2D idle extraction shooter set in a cyberpunk dystopia. Raid hostile zones, loot valuable gear, fight enemies before extraction, and craft powerful weapons. Progress through a deep skill tree, install augments, and transcend humanity. Start as a scavenger. Become UNHUMAN.

    2026ActionIndie3.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Path of Idle: Old Gods Rising — Steam game cover

    Path of Idle: Old Gods Rising

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and RPG with Idle Keep.

    A Lovecraftian idle RPG with auto-battles, loot farming, chests, team strategy, town building, gear crafting, Runewords, stages, towers, realms, and seasons. Serve the Old Gods, build your town, corrupt the chosen, and fight for their awakening!

    2026StrategyIndieAdventure8.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Fidget Spinner RPG — Steam game cover

    Fidget Spinner RPG

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and RPG with Idle Keep.

    Fidget Spinner RPG is a clicker/incremental RPG game in which you craft items and level up abilities to make a fidget spinner spin at absurd, ever increasing speeds.

    2023IndieSimulationRPG3.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Thousand Floors — Steam game cover

    Thousand Floors

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and Casual with Idle Keep.

    Tower Climbers carry amber light; allies follow through misty pagodas in an endless Eastern tower. Thousands Floors blends side-view pixel art with hands-off combat—summon, upgrade, and let them climb. Grow via allies, floor lockdown, and relics.

    2026StrategyIndieCasual6.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Lootbound — Steam game cover

    Lootbound

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and RPG with Idle Keep.

    Lootbound is a tactical roguelite with turn-based combat, loot management and D&D elements set in a dark fantasy world. Fight dangerous enemies, collect epic loot, recruit allies and lead them on a path of adventure.

    2026StrategyIndieAdventure9.74 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Lootun — Steam game cover

    Lootun

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares RPG with Idle Keep.

    Lootun is a Semi-Idle RPG with a strong focus on Character/Skill Progression, Item Hunting, and Inventory Management. Assemble a team of adventurers and send them off to clear missions while you Craft, Upgrade and Enchant the Loot!

    2024RPG5.49 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    IDLE_DIRECTIVE — Steam game cover

    IDLE_DIRECTIVE

    Single-player alternative to Idle Keep — playable solo, no multiplayer required. Shares Indie and Casual with Idle Keep.

    Idly gather and manage resources to repair what's left of a decaying world. Scavenge forgotten ruins, meet scattered survivors, and push back against the inevitable collapse. IDLE_DIRECTIVE is a grid-based inventory and resource management idle game.

    2026IndieSimulationCasual4.99 USDDeck PlayableSingle-playerSimilar games →