Single-player games like Knock-knock
Below are 17 single-player Steam games similar to Knock-knock, 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 Knock-knock page.
Ranked picks
- 1
The Tribulation Entanglement
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
You are the Entangled One, a malformed entity. Traverse the flesh wastes under the eye of an eternal eclipse. Delve deep into the planet's guts. Uncover a fleshy ecosystem. Engage in deliberate, challenging combat, using your whiplike arms and collectible sub attacks to augment your combat style!
- 2
ParaLily
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Help Lily survive the paranormal and rescue a friend, on her strange journey through a series of parallel universes, in this special blend of precision and puzzle platforming. Avoid horrifying enemies, collect magical glyphs, and discover the connection between Lily and the parallel universes.
- 3
Unleaving
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
When everything seems hopeless a child is awakened by the whispers of the last leaf, drawn into an imaginary world. Unleaving invites the player into a narrative-driven puzzle platformer where each challenge unfolds within a hand-painted landscape, exploring perception and meaning
- 4
Somber
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Somber is an atmospheric action-platformer that takes place in the semi-open world of Gloom. A hand-painted game filled with stunning environments, Somber demands absolute precision from players who wish to unlock its many secrets.
- 5
Into the Loop
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure and Casual with Knock-knock.
Into the Loop is a minimalist physics-based platformer about momentum. Use loops to create momentum and traverse levels.
- 6
LIMBO
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Uncertain of his sister's fate, a boy enters LIMBO
- 7
Laika: Aged Through Blood
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Laika: Aged Through Blood is an action-adventure Metroidvania set in a post-apocalyptic western world. Play as Laika, a coyote mother and fierce warrior, and carve your motorbike through a land ravaged by betrayal and loss as you uncover dark secrets in the pursuit of vengeance against oppression.
- 8
Degrees of Separation
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure and Casual with Knock-knock.
Degrees of Separation is a puzzle platformer where cooperation is built into every move. Two contrasting souls, Ember and Rime, fall in love, but are separated by an enigmatic force, and must use their powers to progress through a spectacular world of fantasy and adventure.
- 9
Until Dawn™
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Rebuilt and enhanced for PC – Until Dawn invites you to relive the nightmare, and immerse yourself in a gripping slasher horror where every decision can make the difference between life and death.
- 10
Pathologic 3
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
In this psychological horror game, you are a doctor with only 12 days to save a town from a mysterious plague. Make ruthless decisions and diagnose with precision. Shape the town's future and rewrite the past. Hold yourself together while it all falls apart.
- 11
Pathologic 2
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Pathologic 2 is a groundbreaking open-world horror RPG. Resist the plague. Make medicine. Heal people. Perform an autopsy. Trade to get what you need. Fight and kill if necessary. Survive. Struggle with an outbreak in a secluded rural town that is rapidly turning into hell.
- 12
Pathologic Classic HD
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Pathologic Classic HD is the Definitive Edition of the original Cult Classic Psychological First-Person Survival game. In this unforgettable experience, players control one of three unique characters as they try to save a mysterious town from a deadly plague that cannot be stopped.
- 13
The Void
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Only brought to life by scarce sparks of Color, the bleak, grey Void is a peculiar place. The player gets to explore it, get to know the Sisters, Brothers, and other weird creatures inhabiting it, and learn the ways of Color, harvesting it and drawing sigils that change the world around them.
- 14
Know by heart
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure and Casual with Knock-knock.
Childhood friends reunite after spending a long time apart, revisiting old memories and rekindling their friendship. However, something beyond their control will ruin this reunion.
- 15
Cargo! The Quest for Gravity
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Create crazy, yet functional, custom vehicles to solve missions with your own unique style!
- 16
Pathologic 3: Quarantine
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
In this free prologue to a narrative-driven adventure, watch a mysterious plague break out in a small town. Learn what drove a celebrated academic to leave his acclaimed lab. Examine patients, uncover strange secrets, and make first steps towards immortality.
- 17
Darkwood 2
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Roam freely around the scorched deserts of a dying sea as you secure resources and explore the mysteries of Darkwood. But beware nightfall – seek shelter, shore up your defenses, and pray for the morning light as the horrors of the world hunt the ill-prepared.