IMHO.

Single-player games like Onyx

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

Ranked picks

  1. 1
    A Little Shop in Squirrel Town — Steam game cover

    A Little Shop in Squirrel Town

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    You will become the shopkeeper of grocery shop in Squirrel Town to run your own shop, replenish your stock, sell, make a profit, kill monsters, manufacture outfits, engage in agriculture, angle, cook delicious food, feed monsters and save Monster Forest controlled by the evil crystal.

    2021StrategyIndieAdventure12.99 USDSingle-playerSimilar games →
  2. 2
    Edengrall — Steam game cover

    Edengrall

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    A relaxing open world farming simulation, explore the town of Edengrall and befriend the villagers!

    2022IndieSimulationRPG14.99 USDSingle-playerSimilar games →
  3. 3
    Research Story — Steam game cover

    Research Story

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    Set out to discover and record plants and creatures for the Violet Archive. Grow crops, tame animals, and build the perfect farm! Forge friendships along the way as you begin your life as a researcher!

    2025IndieSimulationRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    No Place Like Home — Steam game cover

    No Place Like Home

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    Humanity Trashed the Earth and left for Mars. Only few remained. EXPLORE the world. Clean the environment, CRAFT with recycled resources. Domesticate animals. Rebuild your village. Restore environment and run your own post-apo FARM as there is No Place Like Home!

    2022IndieAdventureSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Russian Village Simulator — Steam game cover

    Russian Village Simulator

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

    This is a simulator of life in the Russian countryside, where the player will be engaged in the garden, picking mushrooms and berries, collect firewood, hunting and fishing, brew moonshine and much, much more.

    2023ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Ooblets — Steam game cover

    Ooblets

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    Ooblets is a relaxing and offbeat farming, town life, and creature collection game. Manage your farm, grow and train your ooblets, explore strange lands, and have dance-offs!

    2023IndieAdventureSimulation29.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Moonstone Island — Steam game cover

    Moonstone Island

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

    Moonstone Island is a creature-collecting life-sim set in an open world with 100 islands to explore. Make friends, brew potions, collect Spirits, and test your strength in card-based encounters to complete your Alchemy training!

    2023IndieAdventureRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    One Lonely Outpost — Steam game cover

    One Lonely Outpost

    Single-player alternative to Onyx — playable solo, no multiplayer required. Shares Indie and Simulation with Onyx.

    An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.

    2025IndieSimulationRPG19.99 USDDeck VerifiedSingle-playerSimilar games →