Knock-Knock is one of those rare atmospheric horror titles that doesn't rely on jump scares, but rather a deep, gnawing sense of unease. You play as a world-weary Lodger in a cabin that feels alive, or at least haunted by your own unraveling sanity. The gameplay loop of fixing lights and hiding from 'Guests' is simple but incredibly effective at building tension. It’s a game about the fear of the unknown and the frustration of insomnia.
The art style is gorgeous in a macabre sort of way, reminiscent of a twisted storybook. While the logic can sometimes feel obtuse—leading to moments where you aren't quite sure why you failed—that confusion actually feeds into the narrative theme of losing touch with reality. It's a slow burn, but for players who value atmosphere and psychological depth over traditional action, it’s a hauntingly beautiful experience that lingers long after the sun comes up.
Available on: iPhone, iPad, iPod
Version 1.52Fri Sep 07 2018
— Added compatibility with iOS 11.
— Minor issues from update 1.40 fixed.
— Character shadows added for new generation devices.
An eerie, uncomfortable horror is creeping from PC over to iOS!
"It is a game as much about horror as it is of horror" - Rock Paper Shotgun
"Knock-Knock is a gorgeous survival horror game with more style than sense" - IGN
"One of the most fascinating and even endearing gaming experiences I’ve had in ages" - GameFront
***
Three generations of Lodgers have occupied the cabin, but lately, the walls seem to undulate, skittering unknowns shift in the darkness, and an unruly growl seeps from the attic. Are they hallucinations pecking at the insomnia-afflicted Lodger, or the gnarled remnants of a darker secret?
The woods finally give in to the nightfall, and the dreadful things come out to play.
Survive the night while maintaining the dilapidated cabin and preventing the threadbare sanity of the Lodger from unraveling completely. Hide from the grotesque intruders peering from the gloom and seek out the key to ending the Lodger's ordeal.
Features:
- A game of survival and troubling madness.
- Hide from the invading creatures.
- Fix the lights and keep the cabin rooms repaired to ward off evil.
- Survive the night with your sanity intact.
- Solve the mystery of the Lodgers nightmare.
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.Survive the coming of weird Guests in a dark cabin in the woods. What secrets does it hide? Is it even real? Find out until the dawn breaks! Now available on iOS11.
An eerie, uncomfortable horror is creeping from PC over to iOS!
"It is a game as much about horror as it is of horror" - Rock Paper Shotgun
"Knock-Knock is a gorgeous survival horror game with more style than sense" - IGN
"One of the most fascinating and even endearing gaming experiences I’ve had in ages" - GameFront
***
Three generations of Lodgers have occupied the cabin, but lately, the walls seem to undulate, skittering unknowns shift in the darkness, and an unruly growl seeps from the attic. Are they hallucinations pecking at the insomnia-afflicted Lodger, or the gnarled remnants of a darker secret?
The woods finally give in to the nightfall, and the dreadful things come out to play.
Survive the night while maintaining the dilapidated cabin and preventing the threadbare sanity of the Lodger from unraveling completely. Hide from the grotesque intruders peering from the gloom and seek out the key to ending the Lodger's ordeal.
Features:
- A game of survival and troubling madness.
- Hide from the invading creatures.
- Fix the lights and keep the cabin rooms repaired to ward off evil.
- Survive the night with your sanity intact.
- Solve the mystery of the Lodgers nightmare.










Knock-Knock is an atmospheric survival horror game that tasks players with maintaining a dilapidated cabin while avoiding the 'Guests' that emerge at night. As an insomniac Lodger, you must navigate shifting rooms, fix lights, and manage your dwindling sanity. The game features a unique art style and a narrative that blurs the line between hallucination and reality, rewarding exploration and patience.
Eerie survival horror atmosphere
Unique hand-drawn art style
Dynamic cabin layouts
Light-based survival mechanics
Multiple endings
To survive, you must move from room to room fixing the lights. Turning on lights speeds up the clock, bringing you closer to dawn. If a Guest enters, find a hiding spot or keep moving to avoid losing time and sanity.
Rust is a popular survival game that allows players to form alliances or engage in battle, creating meaningful in-game stories.
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The core mechanic revolves around light management. Turning on lights allows you to see the environment and find keys, but it also attracts attention. Losing sanity results in the night lasting longer, making survival increasingly difficult.
If a Guest touches you, the clock winds back, extending the night and forcing you to survive longer before dawn breaks.