IMHO.

Single-player games like Keep Hell Open

Below are 10 single-player Steam games similar to Keep Hell Open, 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 Keep Hell Open page.

Ranked picks

  1. 1
    Hearth and Hamlet — Steam game cover

    Hearth and Hamlet

    Single-player alternative to Keep Hell Open — playable solo, no multiplayer required. Shares Casual with Keep Hell Open.

    Start with a campfire. Build a kingdom. Hearth and Hamlet is a medieval citybuilder clicker that blends resource management, in-depth upgrade trees and relaxing idle gameplay. Build your empire by researching new technologies, passing new laws, trading with far-off lands, and more.

    2026StrategySimulationCasual7.19 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Windowed Realms — Steam game cover

    Windowed Realms

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

    Build, manage, explore, and survive. Develop your village, discover new islands, face threats, and decide how your colony will grow.

    StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    TIMBER! Idle Village Builder — Steam game cover

    TIMBER! Idle Village Builder

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

    Swing your axe, drop the trees, and watch a village rise from the stumps. Assign villagers to nine trades, unlock a 54-node talent tree, and carry your settlement through five ages — from a primitive camp to a medieval kingdom with a crown of its own.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  4. 4
    CivDle — Steam game cover

    CivDle

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

    A relaxing idle city-builder where a single hut grows into a sprawl of millions. Build production chains, let your civilisation expand while you're away, and Ascend to push the whole world up an order of magnitude.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Get to Work, Gnomes! Christmas Factory — Steam game cover

    Get to Work, Gnomes! Christmas Factory

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

    Run a chaotic Christmas gift factory with mischievous gnomes! Get to Work, Gnomes! Christmas Factory is a short management game where you prepare gifts for children before Christmas. Package gifts, build production lines, manage gnomes, and assign tasks to turn a workshop into an efficient factory.

    2026IndieSimulationSingle-playerSimilar games →
  6. 6
    IDLE: Intergalactic Defense League Exterminators — Steam game cover

    IDLE: Intergalactic Defense League Exterminators

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

    An incremental game about blasting bugs, collecting guts, upgrading a base, and blasting more bugs!

    2026IndieSimulationCasual4.19 USDSingle-playerSimilar games →
  7. 7
    Buttons Up! 2 — Steam game cover

    Buttons Up! 2

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

    Hoard Buttons and keep them safe from stealing gnomes. Get those Buttons Up by crafting buildings, trading with merchants and by travelling to weird biomes for rare resources. Unlock new skills with prestige points and become the button master in this chill survival incremental game.

    2026StrategyIndieCasual3.99 USDSingle-playerSimilar games →
  8. 8
    Taskbar Colony — Steam game cover

    Taskbar Colony

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

    A tiny space colony lives in a strip above your taskbar. Colonists build, scavenge, and catch supply pods while you work. Grow nine building types, hit milestones, evacuate to prestige, and fly your own Workshop flag. Click-through, fullscreen-shy, and easy on your CPU.

    2026IndieSimulationCasual8.99 USDSingle-playerSimilar games →
  9. 9
    Lotto Life — Steam game cover

    Lotto Life

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

    A dystopian lottery simulator. Set in a city ruled by a mega-corporation, try to stay afloat in a world with mandatory consumerism quotas. Will the lottery offer reprieve? Will lady luck favor YOU?

    2021IndieSimulationCasual9.99 USDSingle-playerSimilar games →
  10. 10
    Warn — Steam game cover

    Warn

    Single-player alternative to Keep Hell Open — playable solo, no multiplayer required.

    What if, all of a sudden, your routine was turned upside down?In WARN, Josh must choose between duty and heart, but no choice comes without consequences

    2025Action3.99 USDSingle-playerSimilar games →