IMHO.

Single-player games like 異常階段 - Abnormal Stairs

Below are 8 single-player Steam games similar to 異常階段 - Abnormal Stairs, 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 異常階段 - Abnormal Stairs page.

Ranked picks

  1. 1
    Steel Echoes — Steam game cover

    Steel Echoes

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Indie with 異常階段 - Abnormal Stairs.

    Confront monsters for safety, but a turned back invites terror. Armed with a flashlight, navigate haunted halls, dodge steel monsters, and unveil the dark history of a malevolent gallery. Your choices shape destiny in this atmospheric horror. Break free, or be ensnared in unending night?

    2024ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  2. 2
    Beyond your Fear — Steam game cover

    Beyond your Fear

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Adventure with 異常階段 - Abnormal Stairs.

    Descend into an atmospheric, story-driven psychological horror game where the player must investigate a case, solve riddles, and make hard choices on the way to uncovering what lies beyond your fear.

    2023ActionAdventureSimulation2.99 USDSingle-playerSimilar games →
  3. 3
    SCP-479: Shadows of the Mind — Steam game cover

    SCP-479: Shadows of the Mind

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Indie with 異常階段 - Abnormal Stairs.

    You are a Class D personnel on an experimental mission for the Foundation to investigate SCP-479. The facility is linked to anomalies affecting the human psyche, gradually driving them insane. Please remember to take your pills.

    2023ActionIndie10.99 USDSingle-playerSimilar games →
  4. 4
    The Underground Press — Steam game cover

    The Underground Press

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Indie with 異常階段 - Abnormal Stairs.

    A first-person psychological indie horror with investigation elements. Explore the dark, abandoned subway, restore power to machinery, and solve puzzles. Gather clues to uncover the mystery of the closed stations. But remember: you are not alone in the tunnels, and the darkness does not forgive.

    2026ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    ニコニコさん | Niconico-san — Steam game cover

    ニコニコさん | Niconico-san

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Indie with 異常階段 - Abnormal Stairs.

    "Niconico-san" is a first-person, fast-paced horror game set in a Japanese residential area. Players must escape from the smiling man of urban legend, "Niconico-san," and find their way out of a terrifying otherworld.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  6. 6
    Forgotten Forest: Eye of the Great One — Steam game cover

    Forgotten Forest: Eye of the Great One

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Action and Indie with 異常階段 - Abnormal Stairs.

    A Lovecraft inspired point and click cosmic horror, that takes places in a mysterious forest, where dreadful things happen. Getting closer to the Unknown, you keep becoming more distant fom your true self. Can you survive and reveal the secrets of the ruthless sect and the mysterious forest?

    2021ActionIndieAdventure19.99 USDSingle-playerSimilar games →
  7. 7
    Lonely Christmas — Steam game cover

    Lonely Christmas

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Indie and Adventure with 異常階段 - Abnormal Stairs.

    It’s a story about an 8-year-old boy Kevin who was left alone at home at Christmas. Protect your house from a crazy robber and wait for your parents. Can you handle with it? We’ll find out.

    2024IndieAdventureSimulation3.49 USDSingle-playerSimilar games →
  8. 8
    One Last Clip — Steam game cover

    One Last Clip

    Single-player alternative to 異常階段 - Abnormal Stairs — playable solo, no multiplayer required. Shares Indie and Adventure with 異常階段 - Abnormal Stairs.

    You are locked inside a cinema. Your only way to escape is to follow the instructions of your task: Watch the same film clip repeatedly and search for flaws to break free. But this may sound easier than it is, every wrong decision or death will set you back. So be careful!

    2025IndieAdventureSimulation3.99 USDDeck PlayableSingle-playerSimilar games →