Single-player games like Condition Unknown
Below are 8 single-player Steam games similar to Condition Unknown, 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 Condition Unknown page.
Ranked picks
- 1
Who Killed Mr X
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie with Condition Unknown.
You wake up locked up in an unknown place with 8 strangers. Who are these people ? Why are you here ? You have a bad feeling. But suddenly, the phone rings, and it's up to you : Will you dare answer and go deeper in this mysterious plot ? Will you reveal the horrible truth... and survive it ?
- 2
Where Control Ends
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Adventure and Casual with Condition Unknown.
Where Control Ends is a psychological visual novel about Astra, a young girl trying to hold herself together after a night she cannot fully remember.
- 3
Witch's Last Curse
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie with Condition Unknown.
In a village slowly being consumed by a supernatural curse, you are a witch’s apprentice charged with breaking it. Explore the town, uncover forbidden ingredients, earn the trust of its troubled inhabitants, and complete the ritual before the thorns claim everything.
- 4
Kamiya Detective Agency: High School Girl Vanished in The Summer
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Condition Unknown.
A mystery set in Fukuoka, Japan. Former cop Kengo Kamiya and assistant Hikaru tackle a high school girl's disappearance. A "Photoreal Novel" fully utilizing actual photos and AI. Enjoy snappy banter and unexpected twists in this simple, choice-driven mystery visual novel.
- 5
Papa
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Condition Unknown.
Years after escaping your childhood home, you return to visit your dying father one last time. As strange events unfold, memories of the past begin to blur with reality.
- 6
Welcome to Victorville
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Condition Unknown.
Your name is Gary Patterson. After waking up in a strange facility with your work partner Victor Adams, you must make a choice: Play along with Victor's plans? Or go it alone and make an escape? Only YOU can decide.
- 7
UNBIASED
Single-player alternative to Condition Unknown — playable solo, no multiplayer required.
Salvation or Damnation? Measure the worth of human souls in this psychological anime & FMV visual novel about moral dilemma! Will you allow your prejudices to call the shots? Or can you remain unbiased?
- 8
CITADEL
Single-player alternative to Condition Unknown — playable solo, no multiplayer required. Shares Indie and Adventure with Condition Unknown.
Awake from your slumber and venture out to the mighty CITADEL.