Single-player games like Improbability
Below are 8 single-player Steam games similar to Improbability, 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 Improbability page.
Ranked picks
- 1

Christmas Mutilator
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Indie with Improbability.
Inspired by 80s slasher films, Christmas Mutilator™ is an immersive horror and home invasion game. Your husband and children are trapped in the storm, you are stuck in a cabin for the holidays. Use every tactic you can to stay alive and get out of your house as a vicious psychopath breaks in.
- 2

GET 0UT
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Strategy with Improbability.
A puzzle-solving horror game about an Unknown person who cannot remember his past and finds himself in a never-ending cycle/loop, trying to find answers about who he is and why he is suffering in this unknown place.
- 3

SCP-479: Shadows of the Mind
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Indie with Improbability.
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.
- 4

Short Stories Whispers In The Walls
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Indie with Improbability.
Follow in the footsteps of Detective John Palisnki, drawn to a small town after a tragic suicide. As he searches for answers, John encounters supernatural phenomena that challenge his understanding of reality. Unravel dark secrets and face your fears in a haunting atmosphere filled with mystery.
- 5

Mother Zina
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Indie and Adventure with Improbability.
You’re a journalist who came to Russia for a report. After renting an apartment from Zinaida Petrovna, you quickly realize she’s hiding something - and this place isn’t meant for random tenants. To get out, you’ll have to dig into her past - and keep your sanity.
- 6

The Home
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Strategy with Improbability.
The Home is a series of games inspired by real-life stories from children's care homes. These games have captured the disgusting truth and vile horror of the care system. Dive into the (unfortunately) accurate world of THE HOME.
- 7

Cathedral of Sorrow
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Indie with Improbability.
A experimental horror game run by a dynamic fear director. Survive emergent scares and procedural horror in the depths of the Cathedral. Evade its terrors and free its captive souls.
- 8

Kami: Parade of Senses
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Indie and Adventure with Improbability.
Parade of Senses has begun, and you’ve become an unwilling participant. Make the most of it! Explore the Conscious Space, help the other poor souls trapped here, seek answers, betray, kill... or show mercy and protect.