IMHO.

Single-player games like Streamline

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

Ranked picks

  1. 1
    The Revenant Prince — Steam game cover

    The Revenant Prince

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    After gaining the ability to control time, Troy sets off on an adventure, guided by a mysterious voice in an attempt to fulfill his long-time - potentially misleading destiny: saving the world! Kill or show mercy, the choice is yours. Your actions lead to certain consequences and outcomes that cannot be undone!

    2020ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  2. 2
    Tumblestone — Steam game cover

    Tumblestone

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    Tumblestone is the first original action-puzzle game of the past fifteen years -- completely reinventing the genre into a deep and cerebral puzzle solving experience that you won't forget.

    2016ActionStrategyIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Octogeddon — Steam game cover

    Octogeddon

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    You ARE Octogeddon, a massive mutant octopus with one mission: DESTROY the world! Grow more tentacles and evolve each of them into deadlier and deadlier weapons until you become the ultimate eight-legged killing machine!

    2018ActionStrategyIndie8.88 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Monaco: What's Yours Is Mine — Steam game cover

    Monaco: What's Yours Is Mine

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    Monaco: What's Yours Is Mine is a single player or co-op heist game. Assemble a crack team of thieves, case the joint, and pull off the perfect heist.

    2013ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Plebby Quest: The Crusades — Steam game cover

    Plebby Quest: The Crusades

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    Survive ambitious rulers dreaming of an empire, outsmart treacherous neighbors longing to burn your spoils, and navigate the religion’s predictably unreasonable demands; you need ask only one question as you build your legacy – “Will you burn them, or be burnt?”

    2020ActionStrategyIndie3.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Tooth and Tail — Steam game cover

    Tooth and Tail

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    Lead the revolution with an army of flamethrowing Boars, mustard gas-lobbing Skunks, and paratrooper-puking Owls. Tooth and Tail is a Real-Time-Strategy game featuring Single Player, Online Competitive Play, Split Screen, Replays, and more. Build a base, lead your army, eat your enemies!

    2017ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    BuildMoreCubes — Steam game cover

    BuildMoreCubes

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    It is an army vs army game.You need to constantly rebuild and grow your army in order to survive or win the battle.

    2016ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  8. 8
    All Guns On Deck — Steam game cover

    All Guns On Deck

    Single-player alternative to Streamline — playable solo, no multiplayer required. Shares Action and Strategy with Streamline.

    All Guns On Deck is a naval strategy, real time tactics action rpg with a unique battle system and unforgiving world to conquer.

    2015ActionStrategyIndie12.99 USDSingle-playerSimilar games →