Guides

Guides

Step-by-step Keep the Door Locked guides: first night walkthrough, controls, how to answer the door, spotting your first anomaly and everything a new player needs to survive.

Night 1
First Knock
3 Steps
Core Routine
High
New Player Success

Introduction

Guides is the first stop for every new player in Keep the Door Locked. This category collects complete walkthroughs for the game's core loop: you spawn in a hotel room after midnight, the first knock comes, and everything from there is a test of observation and decision-making. Here you will find controls and settings, a step-by-step first night walkthrough, explanations of your room layout and the monitor, and a full playthrough walkthrough that takes you from spawn to sunrise. We also cover the game's hidden features, secrets and prologue, plus everything you need to know before your first night, so you never freeze when the first stranger knocks.

Guide Collection at a Glance

Guide TypeWhat It CoversBest For
Beginner GuideControls, room setup, first knock SOPBrand new players
First Night WalkthroughFully scripted hold-your-hand playthroughPlayers stuck on night 1
Controls & SettingsKeybinds, camera, night vision, safety modePC and mobile players
Secrets & Hidden FeaturesEaster eggs and unlock conditionsCompletionists
Speedrun / Completion100% and any% route overviewsAdvanced players

Popular Guide Paths

S

The First Knock

The first knock is the make-or-break moment of your opening night, because how you handle that first visitor teaches you the routine that carries the rest of the run. The correct procedure is always the same: open the monitor, cycle through the cameras, check both the hallway and the room interior against the visitor's claims, and only then make a decision at the door. Never touch the lock before the monitor, and if the story checks out but something still feels off, use night vision before unlocking.

WhenBetween midnight and the first hour of the night, a stranger knocks. How you handle this knock decides the rest of the run.
Standard SOPOpen monitor → cycle cameras → check hallway and room claims → decide at the door. Never touch the lock before the monitor.
Pro TipIf the visitor passes the story check but still feels off, use night vision one more time before unlocking.
A

Room & Monitor Familiarization

Room and monitor familiarization is the prep work that turns the first night from chaos into routine. Before the visitors start arriving, learn each camera angle, where the blind spots sit, and exactly how the monitor interface behaves. The core skill is fast camera cycling, so you can check the hallway and the room interior within seconds of a knock. The most common beginner mistake is staring at a single view too long while the visitor waits at the door, because time pressure is part of the challenge.

Best ForEvery new player. Learn each camera angle, the blind spots, and where the monitor leaves you vulnerable.
Core SkillFast camera cycling so you can check the hallway and room interior within seconds.
Mistake to AvoidStaring at one camera for too long while the visitor waits at the door — time pressure is part of the challenge.
B

Secrets & Hidden Features

The secrets and hidden features guide collects the parts of the game that are never explained on screen: hidden interactions scattered around the room, unlockable content buried behind specific conditions, and community-found secrets that reward players willing to experiment. Uncovering them takes medium effort, usually a few replay nights and testing unusual choices, but the payoff is access to content and endings most casual runs will never see. It is the completionist's manual for everything the tutorial leaves out.

FocusHidden interactions in the room, unlockable content and community-found secrets that are not explained in-game.
EffortMedium — requires replaying nights and testing specific choices.
RewardAccess to content and endings most players will never see on a casual run.
C

Speedrun & Completion Routes

Speedrun and completion routes turn the whole game into a plan instead of a reaction, mapping out exactly which knocks to answer and which choices to make. An any% route aims for the fewest possible decisions on the way to a clean morning, skipping everything optional to save seconds and risk. A 100% route plans the visitor choices across multiple nights so you can reach every ending and secret in order. Memorizing which visitors are safe and which are traps means you stop re-reading every story at the door.

Any% RouteMinimum decisions, straight to a clean morning with the fewest possible knocks to answer.
100% RoutePlans out which visitor choices to make each night to reach every ending and secret.
Time SavingMemorizing visitor outcomes saves you from re-reading every story at the door.
A

Controls & Settings Guide

The controls and settings guide covers the tools you press a hundred times each night: the monitor toggle, the camera cycling keys, the night vision switch, and the lock itself. Knowing these before the first knock keeps your hands automatic when the pressure rises. The guide also covers the platforms, explaining how to remap the camera and lock buttons on both PC keyboard and mobile touch layouts for fast switching. Tuning volume up with headphones is part of the setup too, since several anomalies are caught by ear rather than eye.

FocusEvery binding you need: monitor toggle, camera cycling, night vision and the lock. Know them before the first knock.
PlatformsCovers PC keyboard/mouse and mobile touch layouts — remap camera and lock buttons for fast switching.
Pro TipEnable safe mode and tune volume up with headphones; several anomalies are caught by ear in the settings-friendly setup.

Core Mechanics

The core loop of Keep the Door Locked is deceptively simple: a knock sounds, you check the cameras, verify the visitor story, and decide whether to unlock the door. The skill comes from your routine. A good run starts long before a knock — learn the room, understand your camera angles, and know where the monitor puts you at a disadvantage. The walkthroughs in this category teach you the pre-knock routine: survey the room, toggle night vision, and prepare to verify the first claim. They also explain the game's timing — when the first visitor comes, how often knocks repeat, and how your decisions at the door shape what happens at sunrise.

Advantages

Guides give new players the fastest possible path to their first successful night. Instead of dying four times to learn what an anomaly looks like, you can read exactly which tells to watch for and memorize the standard answer-the-door routine before you even load in. The category is also great for returning players chasing completion: each walkthrough covers the small details — settings that make the game easier, secret features, and how to progress further night after night. Because the game is still updated regularly, our guides are maintained to reflect the current version, so you always have up-to-date advice.

Challenges

The main weakness of a walkthrough-heavy category is that it can spoil the tension of the game. If you follow a scripted first-night guide, you already know who knocks, what they say, and what to do — which removes most of the fear the game is built around. Some players also prefer to discover hidden features and secrets on their own, and reading the secrets section first will ruin those surprises. Finally, game updates can change first-night behavior; if the developers rebalance the early game, older walkthrough details may not match the current version until we update them. Finally, game updates can change first-night behavior; if the developers rebalance the early game, older walkthrough details may not match the current version until we update them.

Frequently Asked Questions

What do I do on my very first night?+
On your first night, focus on learning the routine: when a knock sounds, open the monitor first, cycle the cameras, and look at who is at the door before touching the lock. Read the visitor's story, verify any claim they make against what you can see on camera, and only open the door when you are confident. If you are unsure, turn them away. Surviving the first night is more about patience than skill — never rush the door.
How do I turn on night vision?+
Night vision is toggled from the monitor interface. It is a camera mode that dramatically improves visibility in the dark hallway and reveals visual distortions that anomalies often show — unusual height, deformed faces and figures that only appear when the camera gathers more light. Use it while inspecting a visitor at the door, then switch back to normal view before opening the door so you do not create a blind spot.
What are the best settings for new players?+
Start with the game's safe mode or any recommended beginner settings from the menu. If you have good headphones, keep the audio on and set the volume high — several anomalies are caught by ear when their voice flips to a demonic tone. If you play on mobile, take a moment on the first night to remap the camera and lock buttons to reachable positions, because fast camera-switching is the main survival skill on touch devices.

Quick Tips

💡

Always check the monitor before the door. Build the habit on night one: knock → monitor → identify → decide. This single routine prevents most beginner deaths because anomalies are most often revealed on camera, not in person. This one habit alone prevents most beginner deaths, and it costs almost no time once the muscle memory forms.

💡

Verify every claim against the room. If the visitor says the oven is smoking, the faucet is leaking, or the neighbor's cat is black, check the claim through the room camera first. Real visitors describe the room correctly; anomalies lie about details that do not exist. Real visitors describe the room they can actually see; anomalies describe the room they imagine. Treat every claimed detail as a test you can pass by watching.

💡

Use night vision on every suspicious visitor. Height, face and form distortions are easiest to see with night vision on. If something looks taller than normal or the face presses against the lens, turn them away immediately. Compare the visitor to the door frame and the hallway fixtures for scale, then decide with full information instead of trusting a first impression.

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