IMHO.

Single-player games like Sonicomi

Below are 10 single-player Steam games similar to Sonicomi, 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 Sonicomi page.

Ranked picks

  1. 1
    Gaokao.Love.100Days — Steam game cover

    Gaokao.Love.100Days

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure and Casual with Sonicomi.

    Getting a girl-friend before National College Entrance Exam, I know it's crazy, but from today, we will face everything together.

    2015IndieAdventureSimulation5.69 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    The Fruit of Grisaia — Steam game cover

    The Fruit of Grisaia

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure and Casual with Sonicomi.

    SIX FRUITS BARE THEIR FANGS AT THE WORLD. --The academy was their orchard. In this place of learning, protected by high walls from the outside world, there arrived a single young man who'd lost his purpose in life. He'd lost sight of what he wanted to protect.

    2015AdventureCasual19.99 USDSingle-playerSimilar games →
  3. 3
    The Afterglow of Grisaia — Steam game cover

    The Afterglow of Grisaia

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure and Casual with Sonicomi.

    A side story to The Labyrinth of Grisaia, this game explores protagonist Kazami Yuuji's past, focusing on his life with Kusakabe Asako, the CIRS agent who rescued him at a young age from a terrorist organization. Secret passages of The Labyrinth of Grisaia are revealed within...

    2016AdventureCasual4.49 USDSingle-playerSimilar games →
  4. 4
    AKIBA'S TRIP: Undead & Undressed — Steam game cover

    AKIBA'S TRIP: Undead & Undressed

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure and Casual with Sonicomi.

    In Tokyo’s popular ”Electric Town” district, Akihabara, vampires called “Synthisters” walk among us. You must identify and dispose of them the only way you know how – by engaging them in hand-to-hand combat in order to strip them of their clothes so their bodies melt away in the sunlight.

    2015ActionAdventureRPG19.99 USDSingle-playerSimilar games →
  5. 5
    Nurse Love Addiction — Steam game cover

    Nurse Love Addiction

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure with Sonicomi.

    Follow Asuka Osachi, a ditzy girl training to become a nurse at Teito Nursing School. Experience her story with her classmates as they discover love, medicine, and adulthood.

    2016AdventureSimulation7.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Tokyo School Life — Steam game cover

    Tokyo School Life

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure with Sonicomi.

    "Tokyo School Life" is the story of your trip as an exchange student in Tokyo and the three girls you meet there. Live the everyday life you love from anime and manga! Vocal opening song/Japanese voices/English text

    2015Adventure14.99 USDSingle-playerSimilar games →
  7. 7
    Tayutama 2-you're the only one- — Steam game cover

    Tayutama 2-you're the only one-

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure with Sonicomi.

    Introduction In the mountain town far away the ashihara chou,a BRAND-NEW story about the coexistence of “humans”and “ tayutai“ is about to start. To be with you    this is the only oath   and my everything

    2016Adventure34.99 USDSingle-playerSimilar games →
  8. 8
    Sakura Santa — Steam game cover

    Sakura Santa

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure and Casual with Sonicomi.

    Koji is feeling a bit down. This year is the first Christmas he's spending alone. After moving away from home to attend the University of his dreams, he found his college life to be rather lonely. Feeling distraught, he wanders to his local shrine to make an offering.

    2015AdventureCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    The Song of Saya — Steam game cover

    The Song of Saya

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure with Sonicomi.

    Bear witness to a love that will change the world, in this classic horror romance visual novel from acclaimed writer Urobuchi Gen.

    2019AdventureSimulation7.49 USDSingle-playerSimilar games →
  10. 10
    YOU and ME and HER: A Love Story — Steam game cover

    YOU and ME and HER: A Love Story

    Single-player alternative to Sonicomi — playable solo, no multiplayer required. Shares Adventure with Sonicomi.

    YOU and ME and HER: A Love Story is the visual novel medium in its purest form. Will Shinichi choose Miyuki, the beautiful queen bee of the school, or the endearingly awkward misfit Aoi? With art by Tsuji Santa, these beautifully rendered romances will stay with you forever.

    2020Adventure17.99 USDSingle-playerSimilar games →