Day I
9 tasks
The Arrival↓Searching the Attic
Current highlights
- Preparing Breakfast
- Waking up Aldous
- Serving Tea
- Searching the Attic
0 / 9 complete
Rusty Lake · Fan-made game guide
Servant of the LakeWalkthrough & Puzzle Guide
Lost in the manor? Find the exact next step.
Follow all 24 tasks from Day 1 to Day 3, reveal puzzle answers only when you need them, and track every Notebook entry and achievement along the way.
Try Bathroom, 91276, William, Dinner, or Catacombs
Continue Your Walkthrough
24 tasks across three days. Jump to your current day, or keep going from where you stopped.
Day II
8 tasks
Preparing Coffee↓Inspecting the Cellar
Current highlights
- Waking up William
- Going Hunting
- Helping with Bathing
- Inspecting the Cellar
0 / 8 complete
Day III
7 tasks
Looking for the Cat↓The Departure
Current highlights
- Assisting in Alchemy
- Preparing Dinner
- Serving Dinner
- The Departure
0 / 7 complete
The lake is waiting
Stuck Somewhere?
Day 2 · Bathroom
Helping with Bathing
Soap · Stitches · Maggot · Comb
Full solution →Day 2 · Hunting
Cabin won’t open?
The code alone is not enough.
Code correct, but nothing happened?
Diagnose the blocker →Day 3 · Alchemy
Alchemy & Science Board
Cabinet code, Left / Right sequence, and the 5×3 board.
Full solution →Day 3 · Dinner
Dinner Solver
3 Courses
Assign every dish correctly.
Open solver →Day 2 · Cellar
Catacombs
The gateway still won’t open?
Check what you’re missing →Day 3 · Departure
Departure lock
Screws, pipe, fork, hairpin, and latch.
Open departure guide →Quick Answers
Already know which puzzle you’re solving? Get the answer without reading the full walkthrough.
Garden suitcase
Welcoming the Guests →Bathroom suitcase
Helping with Bathing →Hunting cabin
Going Hunting →Science cabinet
Assisting in Alchemy →Telescope box
Dressing up for Dinner →Left / Right
Assisting in Alchemy →Tools for the manor
Tools for Your Run
Track what you’ve found, check a setup, or find the one thing still blocking you.
Notes
31
Notebook checklist
Achievements
49
Achievement guide
Symbols
15
Science Board solver
Courses
3
Dinner solver
Complete Every Entry
Track notes and achievements together.
Post-game · Spoilers
Something remains after Day 3.
Common Questions
01How many tasks are in Servant of the Lake?
There are 24 main tasks across three days: 9 on Day 1, 8 on Day 2, and 7 on Day 3.
02What is the Bathroom code?
281. It opens Alexandra’s bathroom suitcase during Helping with Bathing.
03What is the Hunting Cabin code?
The code is 91276. If it does not open, Aldous must also have reached the required hunting state.
04What is the Science Cabinet code?
2451.
05How many Notebook entries are there?
There are 31 Notebook entries to find.
06Can I use this guide without seeing every spoiler?
Yes. Use the walkthrough task by task and keep spoiler-sensitive answers collapsed until you need them.