Walkthroughs and puzzle help
Servant of the Lake Day 3 Walkthrough
Direct answer
Day 3 contains seven official tasks, seven paired hidden achievements, and the nine-step Kate quest. For the main course, Alexandra prefers more meat than vegetables.
- Research updated:
- 2026-08-13
- Evidence scope:
- Official localization and achievement data checked against 42 verified Day 3 and secret-route steps.
Day 3 task route
Day 3 joins the cat search and elixir recipe to maintenance, dinner preparation, family dressing, banquet distribution, and the departure. The final section contains the complete Kate's brother route.
All Day 3 and secret steps

Task 1 · Morning
Looking for the Cat
寻找猫咪
Follow the cat through its hiding places and finish the transformation sequence.

Task 2 · Morning
Assisting in Alchemy
协助炼金
Decode the recipe board, extract blood and fruit juice, and brew the Elixir of Life and Death.

Task 3 · Afternoon
Unforeseen Maintenance
紧急维修
Repair the damaged chair and restore the missing statue and furniture pieces.

Task 4 · Afternoon
Preparing Dinner
准备晚宴
Prepare the shrimp soup, baked potatoes, cake, and other banquet ingredients.

Task 5 · Evening
Dressing up for Dinner
晚宴更衣
Recover the final accessories and prepare the family members and child for the banquet.

Task 6 · Evening
Serving Dinner
侍奉晚宴
Distribute appetizers, mains, desserts, and wine according to every guest’s rules.

Task 7 · Night
The Departure
恭送宾客
Resolve the final route, help the injured guest, enter the last codes, and leave the estate.
26 verified steps
Day 3 main route
P03-01 · main
Lure out the cat

Use the extra stone in the room to draw the cat out, then continue following it to each new position.
P03-02 · main
Record the four frame symbols

Inspect the four symbols in the frame and clue, and note the number and direction information needed for the next mechanisms.
P03-03 · main
Open the direction lock

Enter Left, Left, Right, Right, Left, Right from the confirmed symbol relationships. Take the matches from the opened compartment.
P03-04 · main
Complete the recipe panel

Translate the collected symbols into the matching positions on the recipe mechanism and finish the board puzzle.
P03-05 · main
Begin the elixir recipe

Follow the first recipe instruction and place the egg into the bottle.
P03-06 · main
Extract the blood

Place the meat into the device, operate it as shown by the clue, and collect the blood.
P03-07 · main
Extract the fruit juice

Place the fruit into the device, operate it as shown, and collect the juice.
P03-08 · main
Brew the elixir of life

Add the juice, acid, oil, and three drops of blood in that order to complete the elixir.
P03-09 · main
Repair the chair

Replace the missing chair part and reattach the statue's head to restore the chair.
P03-10 · main
Get the cake

Complete the kitchen mechanism and collect the cake.
P03-11 · main
Start dinner

Light the stove and follow the recipe to prepare the onion, potato, shrimp, and fish while heating the soup.
P03-12 · main
Prepare the soup ingredients

Cut the onion, shrimp, tomato, and mushroom separately and add them to the soup. Roast the potato on its own.
P03-13 · main
Serve the soup and potato

Finish cooking the soup and baked potato, then begin serving the guests.
P03-14 · main
Open the banquet wine

Arrange the wine-bottle mechanism so it reads 1643, then take the wine for the banquet.
P03-15 · main
Set out the wine

Give the wine glass and the bottle of wine to the master to finish the banquet setup.
P03-16 · main
Rebuild the portrait layout

Match the outer portrait frame to the correct positions of the people in the room. This opens the box beside the basement.
P03-17 · main
Collect the baby-preparation item

Take the required item from the opened barrel or box and continue the sequence for getting the baby ready.
P03-18 · main
Prepare the child for dinner

Find the hair ribbon, put it on the child, and bring the child to the dining room.
P03-19 · main
Distribute the appetizers

Follow the guests' preferences: William does not take bread, Alexandra takes rabbit, and everyone receives wine.
P03-20 · main
Distribute the main course

Use every dish. Aldous is vegetarian and has an allergy; William eats twice as much as his brother and needs variety; **Alexandra prefers more meat than vegetables**.
P03-21 · main
Distribute dessert

Give the master only cheese. Never pair chocolate with cheese. William dislikes yellow food and must receive one more piece than his brother.
P03-22 · main
Give water to the injured guest

Catch the dripping water in the available container, then hand the water to the injured person.
P03-23 · main
Open the blocked route

Start a fire with the flint and place the wooden boards to create a way through.
P03-24 · main
Enter the 358 code

Combine the number clues seen earlier into 358 and use it to open the mechanism.
P03-25 · main
Drink the elixir

The story reveals that Alexander took the elixir of life. Accept the potion from the maid and drink it.
P03-26 · main
Complete the main ending

Close the carriage curtains, board the carriage, and leave the estate to finish the main story route.
7 verified steps
Day 3 hidden achievements
P06-01 · hidden
Pet the cat on the result screen

After finding the cat several times, repeatedly touch it on the woman's transformation or result screen.
P06-02 · hidden
Test the elixir on the parrot

After brewing the elixir of life, give it to the parrot before using it in the main story.
P06-03 · hidden
Find the table-leg note

In the servant's room, click the left leg of the table and take the hidden note.
P06-04 · hidden
Add the fly to the soup

Kill the fly with the knife and add it to the soup. After the soup causes the hallucination, inspect the toes shown in the scene.
P06-05 · hidden
Give William the fish brooch

At the second-floor frame, align the fish image with William's portrait. Inspect the portrait, take the fish brooch, and pin it on William.
P06-06 · hidden
Pull the hanging-lamp cord

During the banquet, repeatedly click the cord attached to the hanging lamp.
P06-07 · hidden
Remove Aldous's bullet

Take the fork from Aldous's shoulder, use it to pull the bullet from his leg, and clean the wound with the cloth.
9 verified steps
Kate's brother secret quest
P07-01 · secret
Set the Day 1 clock to 4:05

Follow the note back to Day 1 and set Aldous's alarm clock to 4:05.
P07-02 · secret
Rebuild the person-and-place record

Use the object order on the note to connect the correct people and locations, then open the matching record.
P07-03 · secret
Solve the maze and floor box

Leave the center of the maze by going Right, Right, Right, Left, Right, Left. Enter the same sequence on the floor box.
P07-04 · secret
Record the nine attic symbols

Read the new note, circle and record all nine symbols, and carry the pattern to the attic mechanism.
P07-05 · secret
Connect the attic associations

Use the note to connect the house, castle, window, moon, and water-wave symbols. The correct links open the mechanism.
P07-06 · secret
Solve the basement eight-tile grid

Apply the symbol relationships you recorded to the eight basement tiles, matching the overlapping and non-overlapping shapes to open the next compartment.
P07-07 · secret
Find the four-symbol number clue

Click the clothes to obtain the four-symbol note, then trace each symbol back to its corresponding number.
P07-08 · secret
Open the 6294 chest

Convert the four symbols into 6294, enter the code on the chest, and take the telescope.
P07-09 · secret
Find Kate's brother

Use the telescope to inspect the castle across the lake. Locate Kate's brother to complete the secret search quest.
Verification notes
The dinner correction comes directly from the localized main_note_5 game text. Extracted achievement data supplies the exact seven Day 3 hidden pairings.