IMHO.

Single-player games like Not So Heart

Below are 15 single-player Steam games similar to Not So Heart, 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 Not So Heart page.

Ranked picks

  1. 1
    Saving Mr. Sparkles — Steam game cover

    Saving Mr. Sparkles

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Save your cat Mr. Sparkles and bring him back home. Use your momentum in order to beat short but challenging platforming levels.

    2021ActionIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Jancer — Steam game cover

    Jancer

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Help Jancer find his purpose in this precision platformer where music changes the world around you! Explore hundreds of hand-crafted levels full of action, encounter famous composers as cat bosses and survive bullet hell boss stages!

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Rotund Rebound — Steam game cover

    Rotund Rebound

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Sentence has been passed on the dark carrot, so hop down the rabbit hole and hold on tight. An epic retro platforming adventure unfolds as you brave nightmare worlds and encounter a colorful cast of quirky characters on the road to rescuing your friends and conquering the shadows!

    2022ActionIndieAdventure19.99 USDSingle-playerSimilar games →
  4. 4
    Rotund Takeoff — Steam game cover

    Rotund Takeoff

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    You are Chubbit, a plump bunny plunged into a precision platforming nightmare! To escape, simply move left, move right, and master the nuanced dynamics of ceaseless bouncing!

    2021ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  5. 5
    RITE — Steam game cover

    RITE

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    RITE is a high-speed, precision platformer where you must conquer a series of challenging trials, a rite of passage for every Nim.

    2020ActionIndieAdventure4.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Alex Kidd in Miracle World DX — Steam game cover

    Alex Kidd in Miracle World DX

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    A legend returns in stunning new detail with Alex Kidd in Miracle World DX! Fire up your power bracelet and relive a platforming classic alongside new modes, levels and features!

    2021ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Kaze and the Wild Masks — Steam game cover

    Kaze and the Wild Masks

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Go on a journey as Kaze in this 90’s classics inspired platformer. When the Crystal Islands get cursed, Kaze needs to save her friend Hogo while facing enraged living vegetables. Find the Wild Masks to unleash the powers of the legendary guardians and master land, sky and sea.

    2021ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Spinch — Steam game cover

    Spinch

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Transcend the material realm and assume your true form as Spinch, a hyper-agile organism consumed by the quest to rescue a litter of its missing offspring, in this side-scrolling, psychedelic platformer from the mind of award-winning Canadian cartoonist, Jesse Jacobs.

    2020ActionIndie14.99 USDSingle-playerSimilar games →
  9. 9
    Code World — Steam game cover

    Code World

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    In Code World you control the robot that can walk around the world and send messages to devices. Every device reacts on those messages according to its code. You will have to read this code, understand what messages to send and write your own code.

    2017Indie4.99 USDSingle-playerSimilar games →
  10. 10
    Markov Alg — Steam game cover

    Markov Alg

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Markov Alg is a puzzle game where you can change the game field according to instructions that are written on the game field

    2019Indie2.99 USDSingle-playerSimilar games →
  11. 11
    Move Code Lines — Steam game cover

    Move Code Lines

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Move Code Lines is a game where you fix programs and make them print needed output. But the only way you can achieve that is to change the order of lines in those programs, and set custom input.

    2020Indie7.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Isometric Nonogram — Steam game cover

    Isometric Nonogram

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Isometric version of classic nonograms. 3 visible sides of the cube are not independent. They are making common rows and columns with each other and it brings a fresh new feeling to the famous game.

    2021IndieCasual1.99 USDSingle-playerSimilar games →
  13. 13
    Merge It — Steam game cover

    Merge It

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    This puzzle game is about creating new objects by colliding other ones. Also you can change instructions that say how exactly this process works.

    2024Indie4.99 USDSingle-playerSimilar games →
  14. 14
    Escape From Hard Drive — Steam game cover

    Escape From Hard Drive

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    EFHD is a game where programs change how game works. Modify and run the source files to create, destroy and move other objects.

    2022IndieSimulation4.99 USDSingle-playerSimilar games →
  15. 15
    Code Has Price — Steam game cover

    Code Has Price

    Single-player alternative to Not So Heart — playable solo, no multiplayer required. Shares Indie with Not So Heart.

    Collect and buy commands. Construct program from them. Run code to get more coins and commands. Repeat.

    2024IndieSimulation3.99 USDSingle-playerSimilar games →