Servant of the Lake is a mystery puzzle game available on Steam for PC, developed and published by Rusty Lake.
The game focuses on exploration, mystery, survival, and uncovering the truth behind a disturbing presence connected to a remote lake.
Instead of constant combat, the experience centers around atmosphere, investigation, environmental storytelling, and the fear of the unknown.
You’ll need to connect clues, solve mysteries, explore your surroundings, and survive terrifying encounters as you uncover the secrets of the lake.
In this guide, you’ll find the complete Servant of the Lake Walkthrough, covering Day 1 through Day 3 with all the solutions needed to progress through the game.
Servant of the Lake Walkthrough Day 1 – 3 Solution
Servant of the Lake is set at the Vanderboom estate during the era of Aldous and William Vanderboom.
You play as the house servant, Harvey, who is responsible for completing various duties during a three-day weekend reunion.
Day 1 — Friday
1. Arrival
- Arrive at the Vanderboom estate.
- Sign the contract with the housekeeper.
- Take the task notebook.
2. Breakfast
- Prepare porridge for Aldous.
- Take a spoon.
3. Wake Aldous
- Shave Aldous and clean his ear.
- Feed him the porridge.
- Give him his outfit.
4. Prepare the Reception
- Sweep the floors.
- Dust the family paintings.
- Light all candles.
5. Welcome Alexandra
- Go to the garden/driveway.
- Welcome Mrs. Alexandra and baby James.
- Give her flowers.
- Say goodbye to the coachman.
6. Serve Tea
- Prepare tea.
- Serve it to Alexandra.
- Adjust the sugar to her preference.
7. Family Reunion
- Bring William his cigar and light it.
- Give Aldous his glass.
- Tap the glass with a spoon to start the toast.
- Listen to Alexandra’s lullaby for James.
8. Night Watch
- Patrol the dark hallways.
- Strange event: Ring the bell.
- Nothing unusual: Blow out the candle.
- Complete all patrols.
9. Search the Attic
- William secretly asks you to find an ancient scroll.
- Reach the attic without being noticed.
- Solve the puzzle and collect the old scroll.
Day 2 — Saturday
1. Coffee & William
- Brew strong coffee.
- Give coffee to Aldous and William.
- Give William his hat.
- Break his egg for breakfast.
- Place the attic scroll on his table.
- William reveals his plan to find the Elixir of Life.
- He asks you to steal the two timepieces hidden by Aldous and Alexandra.
2. Clean the Floors
- Clean the hallway floors.
- Investigate the strange crying behind the doors.
3. Hunting
- Meet Aldous on the balcony.
- Go to the hunting grounds.
- Place the rifle on the stump and shoot game.
- Give Aldous the butcher knife.
4. Washing & Bath
- Comfort baby James.
- Wash his dirty diaper.
- Obtain and keep William’s timepiece.
- Prepare Alexandra’s bath with water and soap.
- Find a comb and help Alexandra with her bath.
5. Cellar & Cave
- Take the three timepieces to the cellar.
- Enter the Cave of the Lady of the Lake.
- Find the sacred alchemy book.
- William takes the book and asks you to meet him in his study tomorrow.
Day 3 — Sunday
1. Find Rusty
- Search the estate for the missing family cat, Rusty.
2. Brew the Elixir
- Meet Aldous in his secret laboratory.
- Sort the symbols on the board to decode the recipe.
- Brew the base Elixir.
3. Repairs
- Go to the servant’s quarters.
- Repair the broken chair.
- Repair the damaged family portraits, “Two-faced Liars.”
4. Prepare Dinner
Prepare the farewell feast:
- Soup — add the required ingredients.
- Potatoes
- Cake
- Let Aldous taste each dish.
- Tasting the altered soup triggers a hallucination.
5. Prepare the Family
- Aldous: Find his hat, tie, and rifle under the 5th staircase step.
- Alexandra: Find her mother’s necklace and hair ribbon.
- William: Find his bow tie.
6. Final Dinner
- Fill everyone’s glasses.
- Serve the appetizers.
- The family argues over the Elixir.
- The dinner turns violent as the family attacks each other.
7. Escape & Ending
- Go to the lower chambers.
- Treat the wounded brother.
- Receive the warning to protect baby James.
- The Blood Moon rises and the Lady of the Lake returns.
- Stop Alexandra from using the Elixir on James.
- Rescue the baby.
- Drink the potion to survive and transform into Harvey.
- Escape the estate with James by carriage.
Ending: You become the True Servant of the Lake.
