id: "common-mistakes-guide" slug: "common-mistakes-guide" order: 19 title: "Common Mistakes in The Incident at Galley House — What Not to Do" description: "The most common mistakes players make in The Incident at Galley House and how to avoid them. Save time and avoid frustration." keywords: ["common mistakes, what not to do, avoid mistakes, beginner errors, pitfalls"] category: "tips-and-tricks" date: "2026-07-15" lastModified: "2026-07-16" image: "/images/video-V7a6anN7664.webp" video: "V7a6anN7664"
Common Mistakes in The Incident at Galley House — What Not to Do
The Incident at Galley House is a game that rewards careful observation, systematic investigation, and patience. However, many players — especially those new to deduction puzzle games — fall into patterns of behavior that slow their progress, cause frustration, or lead to incorrect deductions. This guide covers the most common mistakes players make and provides specific advice for avoiding each one.
Mistake 1 — Ignoring the Keyword Search Tool
The Problem
The keyword search tool is arguably the most powerful investigation aid in The Incident at Galley House, yet many players either do not discover it or do not use it effectively. Without the search tool, finding connections between scenes requires pure memory and manual cross-referencing — a slow and error-prone process.
Why Players Make This Mistake
The keyword search tool is not prominently featured in the game's interface. Players who are focused on entering codes and viewing scenes may not notice it or may not understand how useful it is. The tool also requires you to think about what search terms to try, which adds cognitive load to an already demanding investigation.
How to Avoid It
- Use the keyword search tool after every scene you view
- Search for character names, location names, and emotional keywords
- Search for terms like "dead," "afraid," "escape," "machine," "D&M," and "supernatural"
- If a search reveals a scene you have not viewed, use the information to construct the code
- See the keyword search guide for advanced strategies
Mistake 2 — Not Replaying Scenes
The Problem
Many players watch each memory scene once and move on. This is a significant oversight because later context changes the meaning of earlier scenes. A casual remark in scene 02 becomes a devastating revelation once you know who is speaking and what happens to them.
Why Players Make This Mistake
The game's code-input system encourages forward momentum — you want to enter the next code and unlock the next scene. Replaying old scenes feels like going backward. Also, the game does not explicitly prompt you to replay scenes, so players assume it is not important.
How to Avoid It
- After identifying a character, replay every scene where they appear
- After discovering a new location, replay scenes that reference it
- Before making deductions, replay all relevant scenes to confirm details
- Focus on voice acting and character reactions during replays — you will notice things you missed
- See the replay scenes guide for detailed replay strategies
Mistake 3 — Skipping Present-Day Scenes
The Problem
Some players focus exclusively on the 1936 past timeline and neglect the Part 2 present-day scenes. This is a critical mistake because the present-day content is essential for the meta-plot deduction and contains some of the game's most important revelations.
Why Players Make This Mistake
The past timeline is more immediately engaging — it features dramatic events, character interactions, and a clear mystery. The present-day scenes at D&M can feel like interruptions, especially when you are absorbed in the 1936 story. Players may also assume the past timeline contains all the important information.
How to Avoid It
- Unlock Part 2 scenes as soon as they become available
- View each Part 2 scene immediately after unlocking it
- Use the keyword search tool to find connections between past and present
- Remember that the meta-plot requires information from both timelines
- See the Part 2 present codes for the complete list
Mistake 4 — Forgetting to Label Locations
The Problem
You cannot enter a code that references a location you have not yet labeled. Many players discover rooms but forget to formally assign their two-letter codes, which blocks them from entering codes that reference those rooms.
Why Players Make This Mistake
The game's interface does not aggressively remind you to label locations. When you enter a valid code, the scene plays automatically, and the location is registered — but you must manually assign the code. Players who are excited to view the next scene may skip the labeling step.
How to Avoid It
- Label every location immediately after discovering it
- Do not wait — label first, then continue investigating
- Check your location list periodically to ensure you have not missed any labels
- The Full House achievement requires all 16 labeled locations
Mistake 5 — Not Using Hints When Stuck
The Problem
Some players resist using the progressive hint system because they feel it diminishes their accomplishment. This pride leads to hours of frustration when a simple hint would have gotten them back on track.
Why Players Make This Mistake
Many games penalize hint usage or make players feel inferior for needing help. The Incident at Galley House deliberately avoids this — there is no penalty for using hints, and the game is designed to be completed by every player. But the cultural conditioning against hints persists.
How to Avoid It
- Use hints when stuck for more than 15-20 minutes
- There is no penalty — the hint system is part of the intended experience
- The graduated hints let you control how much help you receive
- Using a hint still requires you to solve the puzzle — it just points you in the right direction
Mistake 6 — Entering Codes Randomly
The Problem
Some players, when stuck, resort to entering random codes in the hope of stumbling onto a valid scene. This brute-force approach is tedious and rarely productive because the code space is large (26 timestamps × 16 locations × multiple character combinations).
Why Players Make This Mistake
Without a clear strategy, random code entry feels like the only option. Players who have not discovered the keyword search tool or the hint system may feel they have no other choice.
How to Avoid It
- Use the keyword search tool to find targeted clues
- Apply narrative logic — think about what should happen next in the story
- Try character-based codes — if you want more Victoria scenes, try codes with character 4
- Try location-based codes — if you just discovered the Chapel, try codes with CH
- Use the hint system — it will point you toward specific codes to try
Mistake 7 — Not Identifying Characters Early
The Problem
The investigation is much harder when you do not know who the numbered silhouettes are. Scenes become confusing when you cannot follow who is speaking and who is being referred to. Early character identification provides a framework that makes every subsequent scene more meaningful.
Why Players Make This Mistake
Character identification requires careful observation and note-taking, which some players find tedious. The game does not force you to identify characters before progressing, so players can view many scenes without making formal identifications.
How to Avoid It
- Focus on voice recognition — each character has a distinct voice
- Listen for characters addressing each other by name
- Use the codename system — each character has an animal codename that reflects their personality
- After viewing a scene, try to identify who was present
- The character identities guide provides identification strategies
Mistake 8 — Misunderstanding the Code Format
The Problem
Some players do not fully understand the Timestamp-Location-Characters code format, leading to invalid code attempts. Common errors include using single-digit timestamps (1 instead of 01), entering non-existent location codes, or using wrong character numbers.
Why Players Make This Mistake
The code format is explained briefly in the game, and players may not absorb the details on first exposure. The format is consistent but has specific rules (leading zeros for timestamps, two-letter location codes, hyphen-separated components) that are easy to forget.
How to Avoid It
- Remember the format: XX-YY-Z-N (two-digit timestamp, two-letter location, character numbers)
- Always pad timestamps to two digits (01, 02, 03, not 1, 2, 3)
- Only use valid location codes from the 16 locations
- Only use character numbers that correspond to actual characters
- See the code format guide for the full explanation
Mistake 9 — Rushing Through Scenes
The Problem
Each memory scene contains important details that are easy to miss if you are not paying close attention. Rushing through scenes means missing character identification clues, foreshadowing, and critical information needed for deductions.
Why Players Make This Mistake
The code-input system creates a "slot machine" mentality — you want to enter the next code and unlock the next scene. The excitement of discovery can make players impatient, causing them to skip important details.
How to Avoid It
- Watch each scene carefully and listen to the voice acting
- Take notes on character names, relationships, and important dialogue
- Replay scenes when you have new context
- The game rewards careful observation, not speed
Mistake 10 — Neglecting the Deduction Board
The Problem
Some players accumulate information but never formally submit their deductions. The deduction board validates your answers and provides feedback, which helps you identify gaps in your understanding. Without using the board, you may have incorrect beliefs about the mystery that you never test.
How to Avoid It
- Submit deductions as you make them — the board will tell you if you are right or wrong
- Use the progressive hint system if your deductions are being rejected
- The board covers character identities, fates, causes of death, and the meta-plot
- Incorrect deductions do not penalize you — they just tell you to keep investigating
For more investigation strategies, visit the tips and tricks guide and the beginner guide. For the official game page, visit the Steam store.