Single-player games like Knock-knock
Below are 15 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
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
- 2
Albert and Otto
Single-player alternative to Knock-knock — playable solo, no multiplayer required.
Created by solo developer Nikola Kostic - Traverse a haunting world set in 1939 Germany in search of a mysterious girl with rabbit ears. Utilize a little bunny in creative ways to solve puzzles. Levitate sheep, use them as torches or wolf bait and make your way through a dangerous land.
- 3
The Bridge
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure and Casual with Knock-knock.
The Bridge is a logic puzzle game that forces you to reevaluate your preconceptions of physics and perspective. It is Isaac Newton meets M. C. Escher. Manipulate gravity to redefine the ceiling as the floor while venturing through impossible architectures.
- 4
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.
- 5
Rusty Lake Hotel
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Are you ready to serve the guests in the Rusty Lake Hotel? Solve all mysteries in this dark and eerie puzzle game. Rusty Lake Hotel is a point-and-click adventure by the creators of the Rusty Lake & Cube Escape series.
- 6
Darkwood
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Darkwood - a new perspective on survival horror. Scavenge and explore a rich, ever-changing free-roam world by day, then hunker down in your hideout and pray for the morning light.
- 7
Creaks
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure and Casual with Knock-knock.
The ground starts shaking, light bulbs are breaking - and something rather unusual is happening right behind the walls of your very room. Equipped with nothing but wit and courage, you slowly descend into a world inhabited by avian folk and seemingly deadly furniture monsters.
- 8
Rogue Legacy 2
Single-player alternative to Knock-knock — playable solo, no multiplayer required. Shares Adventure with Knock-knock.
Rogue Legacy 2 is what you'd get if you mashed Rogue Legacy and a sequel together. Every time you die, your children will succeed you, and each child is unique. Your daughter might be a Colourblind Archer, and your son could be a Pacifistic Chef. Either way, one of them is getting conscripted.
- 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
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.
- 14
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!
- 15
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.