Roadmap
Step One (20 minutes)
Follow the 100% Walkthrough listed below while solving all optional puzzles.
Make a manual save in Chapter XVII: Under Cover of Darkness for the bad ending.
Step Two (5 minutes)
Unlock the Bad Ending using the manual save from Step One.
Step Three (5 minutes)
Solve all 7 Bonus Puzzles.
100% Walkthrough
Chapter I: A Rude Visitor
Ignore it.
Defend her father firmly.
Demand that Nathan leave at once.
Get the papers from her father's desk.
Achievement: Defective Detective
Try again.
Refuse to get the papers.
Chapter II: A Warning of Trouble
Call the police immediately.
No need for a recap. I know who they are.
Read her book.
Yes.
Safecracker Puzzle: Nancy
Achievement: Safecracker
Chapter III: Interesting Information
Click on the highlighted text 'two dozen eggs' to unlock the Easter Egg achievement.
Nathan Gombet.
By the railroad.
No.
No.
Chapter IV: A Second Call
He agrees to help Nathan.
Do nothing - let her father handle it.
Yes, he's dangerous.
Chapter V: Strange Happenings
Ask about the house.
Ask about the music.
No more questions for now.
A ghost in need of ready cash.
Yes.
Chapter VI: The Ghost Calls Again
No.
Yes.
When did you have it last?
Were you gone long?
Did Floretta see anyone before the pin disappeared?
Chapter VII: What Can It Mean?
Agree to investigate for free.
Yes.
Choose the following options to unlock the Ghost Culprit achievement:
Unexplained music: A ghost
Shadows at night: A ghost
Missing items: A ghost
Try again and choose the following options to unlock the All the Pieces Fit achievement:
Unexplained music: A radio that was left on
Shadows at night: Wind blowing the trees
Missing items: A thief
Give the highlights.
Go to the Turnbulls.
Chapter VIII: The Warning
Yes.
Train Tracker Puzzle: Thursday.
Achievement: Train Tracker
Chapter IX: The Anonymous Message
Keep working the case.
Use the revolver.
What sort of music?
No more questions
No
Chapter X: An Unfruitful Search
The attic.
Yes.
Word Wizard Puzzle: Overspilt.
Achievement: Word Wizard
Chapter XI: A Cry in the Night
Investigate the cry.
Use the revolver.
Chapter XII: The Theft
Yes.
Place the books.
Book Sorting Puzzle: Volume IV ⇢︎ Volume V ⇢︎ Volume VI ⇢︎ Volume IX ⇢︎ Volume X
Achievement: Numeral Nancy
Contact Mr. Drew in Chicago.
Chapter XIII: Another Surprise
Achievement: Creative Revolver User
Nathan Gombet.
Finish questioning about Gombet.
Chapter XIV: What Happened to Carson Drew
Chapter XVI: A New Clue
Investigate Nathan Gombet.
No.
Yes.
Robbery Stopper Puzzle: Second.
Achievement: Robbery Stopper
Chapter XVII: Under Cover of Darkness
Nancy freezes and waits.
Follow him.
Save the game to unlock both endings efficiently.
Chapter XVIII: Inside the Other House
Behind a door.
Make a distraction.
Chapter XIX: A Chance Discovery
Ignore it and try to hide.
Hide in the closet.
Panic and pound on the door.
Achievement: Bird Brain
Try again.
Search the room carefully.
Chapter XX: The Underground Passage
Examine where this passageway leads.
Yes.
Solve Maze 1 Puzzle to unlock the Maze Master achievement. The solution is randomized, but you will get a hint whenever you fail. Depending on which wrong turn you take, the outcomes are as follows:
Nancy realized she made a mistake at the very start.
Nancy realized she had taken a wrong turn, about halfway through.
Nancy felt like she was extremely close to the correct exit.
Achievement: Hidden No More
Chapter XXI: The End of the Passage
Pull the ring.
Finish thinking.
Chapter XXII: The Next Move
Nathan Gombet was here?
No.
No.
Chapter XXIII: Notifying the Police
Give up.
On the road.
Convince him to break the door.
Chapter XXIV: Nancy Leads the Way
Go in through the secret passageway.
Yes.
Solve the Maze 2 Puzzle. The solution is randomized, but can be easily brute-forced. Investigate all tunnels to find the Plank and the Cheese, then give the Cheese to the Rat and place the Plank over the Puddle to get two Keys. Use the Keys to unlock the heavy gate in the middle tunnel.
Note that the Amazing achievement tied to this puzzle is bugged and only unlocks if you complete the puzzle via the Puzzle Replay menu, accessible via the main menu.
Chapter XXV: Captured
Confront Gombet directly.
When did you discover the hidden staircase?
Finish asking questions.
Yes.
Humbly refuse any reward.
Bad Ending
Load the save from Chapter XVII: Under Cover of Darkness and let Nathan Gombet catch Nancy to unlock the bad ending and the Not Enough achievement. Note that this option is only available if you follow the 100% Walkthrough step-by-step.
Bonus Puzzles
Access the New Puzzles via the main menu and solve them without returning to the parent menu. These puzzles are variations of the default puzzles and have different solutions:
Safecracker: Secret
Train Tracker: Wednesday.
Word Wizard: Entertainment.
Book Sorting: Volume VI ⇢︎ Volume V ⇢︎ Volume IV ⇢︎ Volume XI ⇢︎ Volume X ⇢︎ Volume IX
Robbery Stopper: Third.
Maze 1 is similar to the default version, but it is limited to five attempts. In Maze 2, there are three Keys instead of two.
