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

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.
- 2

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.
- 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

The Lotus Holidays
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Indie and Adventure with Improbability.
A stylish single player story-based game, where you win a free weekend at the "Lotus", a luxurious spa resort. But soon, things take a strange and sinister turn.
- 5

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.
- 6

PsyX
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Indie with Improbability.
Sometimes, regrets come too late. When you're over 40, you start to rethink your life. You remember people and events that completely changed you. I will tell you 7 stories that happened to me in childhood, after which I became a different person.
- 7

Unmourned
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Action and Indie with Improbability.
Unmourned is a first-person psychological horror game where Jason moves into a new house only to be haunted by escalating paranormal events. Driven by fear, he must uncover the truth behind the previous owners' disappearance. Can he solve the mystery before it's too late?
- 8

Night Grove
Single-player alternative to Improbability — playable solo, no multiplayer required. Shares Strategy and Indie with Improbability.
This is a first-person indie horror game. A young deliveryman took an unusual order that led him to Night Grove. This place has a dubious reputation among the townspeople, because for many years it has been sent to live with people that society has long since abandoned.