
Game Overview
A crooked woodland house becomes a nightly trap in this psychological horror experience from Ice-Pick Lodge. You play the Lodger, a sleepless resident of a family cabin that once functioned as a scientific workspace, now warped by missing rooms, unfamiliar sounds, and unseen intruders. Rather than relying on constant jump scares, Knock-Knock builds dread through uncertainty: the building changes when you are not looking, the forest feels hostile, and even the protagonist’s memories cannot be trusted. Its hand-drawn, storybook-like visuals make the setting feel fragile and diseased, matching a tone that is more unsettling than outright violent.
Each night revolves around surviving until morning while keeping the Lodger’s sanity intact. You move through rooms, switch lights on, repair broken sections of the house, listen for suspicious noises, and hide whenever the shadowy Guests draw near. Staying in lit, intact rooms offers temporary safety, but the cabin continually develops gaps and distortions that demand attention; neglecting it leaves you increasingly exposed. The game also asks you to observe patterns and interpret cryptic scenes, gradually piecing together why the nights repeat and what the Guests may represent. Failure is part of the design, since repeated attempts reveal more of the story and teach you the strange rules governing the house.
What separates Knock-Knock from conventional survival horror is its refusal to make every threat fully legible. It plays more like a paranoid fever dream than a combat game, with no weapons and no reliable certainty about whether danger is physical, supernatural, or psychological. The pacing can feel deliberately slow and opaque, but that ambiguity is exactly where its strongest scares live, especially with headphones in a dark room. Fans of Pathologic, Lone Survivor, and experimental indie horror find plenty to admire, while players wanting clear objectives, action, or neat answers may find its cryptic structure frustrating.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Knock-Knock folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- OS: Mac OS X 10.5 or later
- Graphics: Intel HD Graphics 3000
- Storage: 700 MB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Knock-Knock?
After extracting Knock-Knock, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 368.74 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.