IMHO.

Single-player games like KAKUSANKIBOU / 扩散希望

Below are 8 single-player Steam games similar to KAKUSANKIBOU / 扩散希望, 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 KAKUSANKIBOU / 扩散希望 page.

Ranked picks

  1. 1
    Corpse Party — Steam game cover

    Corpse Party

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    A group of friends unknowingly perform an occult ritual that traps them in an otherworldly elementary school. Here, the vengeful spirits of young children threaten their lives and their sanity, and the only hope of survival is to uncover the chilling details behind the murders of those trapped before them...

    2016IndieAdventureRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    No Son Of Mine — Steam game cover

    No Son Of Mine

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    No Son Of Mine is a survival horror game focused on combat, stealth, exploration, puzzle solving and uncovering a gruesome mystery.

    2023ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  3. 3
    LIMINAL: Within — Steam game cover

    LIMINAL: Within

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and RPG with KAKUSANKIBOU / 扩散希望.

    A cinematic horror mystery where investigation, choices, and Exorcism shape the story. Enter a yokai-infested world, reopen a long-closed case, and bring peace to the suffering. Adapted from Hirata’s World in San Tian Liang Jiao’s Thriller Paradise.

    2026StrategyIndieRPGSingle-playerSimilar games →
  4. 4
    Corpse Party: Book of Shadows — Steam game cover

    Corpse Party: Book of Shadows

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Adventure with KAKUSANKIBOU / 扩散希望.

    An anthology series that serves as a Corpse Party sequel, prequel, midquel, and alternate universe tale all in one. Rejoin old friends for a deeper dive into the haunted halls of Heavenly Host Elementary...

    2018Adventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Found Horror Game 101.exe — Steam game cover

    Found Horror Game 101.exe

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    You'll scream in pleasure... Choke with fear! Play through 101 sick, frightening and perverted games, released in an experimental episodic format Can the curious souls brave through the hidden depths of each game to reach the shocking conclusion? Maybe what's been lost was never meant to be found...

    2018IndieAdventure10.10 USDSingle-playerSimilar games →
  6. 6
    夜弦之音 - Echoes of Nocturnal Chords — Steam game cover

    夜弦之音 - Echoes of Nocturnal Chords

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    On a rainy night, Xiaoyin disappears searching for the legendary “Miracle Grass.” Yixuan follows clues into a trap-filled cave where bodies, monsters, lies, and warmth intertwine. Multiple endings guide you through fairy tale and reality, revealing a fate woven from hope and loss.

    2020IndieAdventureRPG1.99 USDSingle-playerSimilar games →
  7. 7
    The Witch's House MV — Steam game cover

    The Witch's House MV

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    A young girl, Viola, is drawn inexorably to a mysterious manor that seems to change behind her back. It is a place of pain, turmoil and death. Plumb its detestable depths and abominable history. Untangle riddles that bar your perilous path. And flee the hellish halls of The Witch’s House.

    2018IndieAdventureRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Angels of Death Episode.Eddie — Steam game cover

    Angels of Death Episode.Eddie

    Single-player alternative to KAKUSANKIBOU / 扩散希望 — playable solo, no multiplayer required. Shares Indie and Adventure with KAKUSANKIBOU / 扩散希望.

    "The boy made up his mind to face a cruel world." The new special edition of the psychological horror-adventure game "Angels of Death", which has also been made into an anime. The past of B4 floor master Eddie is revealed...

    2020IndieAdventureRPG6.99 USDSingle-playerSimilar games →