Walkthroughs and puzzle help
Servant of the Lake Day 2 Walkthrough
Direct answer
Day 2 contains eight Notebook tasks and eight hidden achievements. Pest Control is part of the main cellar route at P02-23; Garbage Disposal belongs to Night Time Duties.
- Research updated:
- 2026-08-13
- Evidence scope:
- Task/achievement pairs extracted from ItemDefinitionSO records and localization; 38 verified walkthrough steps.
Day 2 task route
Day 2 moves from coffee and William's room into cleaning, hunting, laundry, bathing, night duty, and the underground cave. Record every clock face before setting the three family timepieces.
All Day 2 steps

Task 1 · Morning
Preparing Coffee
准备咖啡
Read the room-number clue, open the 315 lock, grind the beans, and brew the coffee.

Task 2 · Morning
Waking up William
唤醒 William
Restore William’s sight, use the coffee, and complete the bedroom object sequence.

Task 3 · Afternoon
Cleaning the Floors
清扫地板
Collect the cleaning tools and solve the dot-count and size-order cleaning puzzle.

Task 4 · Afternoon
Going Hunting
外出狩猎
Prepare the rifle, follow the hunting list, and hit each target in the outdoor sequence.

Task 5 · Evening
Doing the Washing
浣洗衣物
Gather and process the laundry while moving between the bathroom and service areas.

Task 6 · Evening
Helping with Bathing
协助入浴
Sort the symbol tiles, solve the slider, prepare the herb bath, and open the suitcase.

Task 7 · Night
Night Time Duties
夜间勤务
Complete the late shift, inspect the balcony, and prepare the route toward the cellar.

Task 8 · Night
Inspecting the Cellar
探查地窖
Open the cave route, collect three timepieces, set their clocks, and recover the ancient book.
31 verified steps
Day 2 main route
P02-01 · main
Record the room numbers

Inspect the panels in the rooms and note the numbers shown: 3, 5, 1, 4, 2, 6.
P02-02 · main
Open the 315 lock

Use the room layout—Alexandra above, William on the left, and Aldous on the right—to enter 315. Take the coffee beans.
P02-03 · main
Grind the coffee beans

Put the beans into the grinder and process them into ground coffee.
P02-04 · main
Brew the coffee

Add the ground coffee to the machine and brew it. Completing the coffee sequence opens the door.
P02-05 · main
Take William's hat

Enter William's room and collect the hat.
P02-06 · main
Match the family keepsakes

Rearrange the items in the box to match the family portrait: the mother with the ruby, the father with the pipe, and the children with the wine glass and crow. Take the goblet.
P02-07 · main
Collect the creature's liquid

Hold the goblet beneath the creature and catch the liquid it spits out.
P02-08 · main
Plant the seed

Take the seed from the goblet and place it in the flowerpot.
P02-09a · main
Feed the bird

Give the bird its food and collect the feather it drops.
P02-09b · main
Tickle the bird's foot

Use the feather on the bird's foot to reveal the foot mechanism.
P02-10 · main
Solve the foot-swing pattern

Read the note and reproduce the required number of upward and downward foot movements.
P02-11 · main
Open the window

Pick up the small key from the floor, attach the handle to the window, and open it.
P02-12 · main
Restore William's sight and wake him

Apply the collected liquid to William's eyes, then pour the coffee to wake him.
P02-13 · main
Organize the cave clue

Use the written relationships to connect the estate, cave, three pocket watches, and the ancient recipe book.
P02-14 · main
Complete the cleaning puzzle

Take the cleaning brush, then order the designs by their dot counts and relative sizes to finish the cleaning mechanism.
P02-15 · main
Finish the hunt

Load the ammunition, aim at each target that appears in the hunting area, and hit it.
P02-16 · main
Enter the body-part code

Use the reactions linked to meat, bone, eye, nose, and the other body parts to enter 921276 and open the mechanism.
P02-17 · main
Steal the first pocket watch

Distract William's line of sight, open his bag while he is not watching, and take the pocket watch.
P02-18 · main
Sort the bathroom symbols

Group the bathroom tiles into the six categories shown by the clue: humans, body parts, animals, plants, furniture, and personal objects.
P02-19 · main
Solve the supported slider puzzle

Move the patterned pieces only horizontally or vertically, keeping each move supported by an adjacent piece. Take the herb when the layout is complete.
P02-20 · main
Prepare the herbal bath

Add the herb to the bathwater to begin the bathing sequence.
P02-21 · main
Open the 281 suitcase

Follow the pattern formed by the crossed-out numbers and enter 281 to unlock the suitcase.
P02-22 · main
Guide the bubbles

Click and guide the active bubble along the route so it absorbs the remaining bubbles.
P02-23 · main
Use the cockroach (Pest Control)

Pick up the cockroach and place it at the matching hotspot to obtain another pocket watch. This interaction also unlocks the hidden **Pest Control** achievement for Inspecting the Cellar.
P02-24 · main
Open the left cave passage

Take three items from the cave in one trip to open the passage on the left, then use the magnet to open the barred tool cabinet.
P02-25 · main
Pull out the cave key

Lower the magnet into the opening and use it to retrieve the key.
P02-26 · main
Light the oil trail

Use the bottle opener, collect the oil in the bottle, pour it along the route, and ignite the trail with a match.
P02-26b · main
Read the three clock clues

Inspect the three clock faces revealed by the fire. One of the three times is 10:00; record all three for the watch puzzle.
P02-27 · main
Break through the cave obstacle

Attach the hook, then use the hammer to break the obstruction and continue deeper into the cave.
P02-28 · main
Set the three pocket watches

Hang all three pocket watches in place and set them to 8:00, 4:00, and 10:00.
P02-29 · main
Take the ancient book

Once all three watches show the correct times, collect the ancient book that appears.
7 verified steps
Day 2 hidden achievements
P05-01 · hidden
Roast Aldous's coffee beans

Take the coffee beans, roast them on the stove, brew them into coffee, and give the drink to Aldous.
P05-02 · hidden
Groom William with the feather

Use the feather to brush William's beard and chest.
P05-03 · hidden
Clean the red floor stain

After obtaining the cleaning brush, return to the servant's room on the first floor and scrub the red stain from the floor.
P05-04 · hidden
Never miss during the hunt

Hit every hunting target with a single shot when it appears.
P05-05 · hidden
Inspect the bathroom keyhole

During the laundry sequence, stop and look through the bathroom keyhole.
P05-06 · hidden
Wipe the fogged window

After Alexandra gets into the bath, wipe the condensation from the window.
P05-07 · hidden
Garbage Disposal: knock down the hanging remains

During the night duty, go to the second-floor balcony and knock down the hanging body parts to unlock **Garbage Disposal**.
Verification notes
The Day 2 pairing resolves a common omission: D2NMAchievement maps Pest Control to Inspecting the Cellar, while D2NHAchievement maps Garbage Disposal to Night Time Duties.