IMHO.

Single-player games like Seas of Hydra

Below are 8 single-player Steam games similar to Seas of Hydra, 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 Seas of Hydra page.

Ranked picks

  1. 1
    Keep It Live — Steam game cover

    Keep It Live

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

    Keep-it-Live is a small, singleplayer high-score game in which you assume the role of a live stream chat moderator. Your job is to ban any messages that violate the stream’s rules. Will you let the stream get taken down, or are you prepared to Keep it Live?

    2022IndieSimulation3.99 USDSingle-playerSimilar games →
  2. 2
    UltraCook — Steam game cover

    UltraCook

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

    Can you handle the heat? Can you handle the pressure? Put your multitasking skills to the test with UltraCook! The ultimate arcade cooking simulator.

    2024IndieSimulationEarly Access6.99 USDSingle-playerSimilar games →
  3. 3
    The Legend of Loch Ness — Steam game cover

    The Legend of Loch Ness

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

    Investigate the world's most famous mystery in an open-world adventure set on Loch Ness. Explore by boat, investigate sightings, gather and analyse evidence, dive beneath the surface, and uncover long-buried secrets across the legendary loch and Highlands, where not every discovery is what it seems.

    IndieAdventureSimulationSingle-playerSimilar games →
  4. 4
    Cropolution — Steam game cover

    Cropolution

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

    In Cropolution, you’re not just a farmer—you’re a pioneer in the future of agriculture! Join forces with a team of scientists as you experiment and evolve entirely new species of crops, bugs, and fish. Will you rise to the challenge and revolutionize the world’s ecosystems?

    2024IndieSimulationCasual4.99 USDSingle-playerSimilar games →
  5. 5
    Aquarist - My First Job — Steam game cover

    Aquarist - My First Job

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

    Get your first job in the Aquarist! Learn how to set up aquarium, decorate it and take care of your fish!

    2021IndieSimulationFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  6. 6
    Hermes: Tricks of Thanatos — Steam game cover

    Hermes: Tricks of Thanatos

    Single-player alternative to Seas of Hydra — playable solo, no multiplayer required. Shares Indie and Casual with Seas of Hydra.

    Someone has thrown open the Gates of Hell and is letting the damned escape into the realm of the living! Battle malevolent spirits, call on demigods to provide aid and restore life to a besieged world!

    2021StrategyIndieAdventure6.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Nivalis Nights — Steam game cover

    Nivalis Nights

    Single-player alternative to Seas of Hydra — playable solo, no multiplayer required. Shares Simulation with Seas of Hydra.

    Grow your business, manage restaurants and nightclubs, make friends and enemies, buy and decorate apartments, go fishing and maybe even find love in a cyberpunk city that stretches from the ocean to the clouds.

    2026AdventureSimulationRPGSingle-playerSimilar games →
  8. 8
    Lucky Lord: The Coin Pusher of Fate — Steam game cover

    Lucky Lord: The Coin Pusher of Fate

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

    Lucky Lord: The Coin Pusher of Fate combines slot-machine-style random strategy with roguelike card enhancement mechanics, creating a unique gameplay experience centered around a coin pusher.

    2025StrategyIndieAdventure7.99 USDDeck PlayableSingle-playerSimilar games →