◈ VIDEO WALKTHROUGH

Servant of the Lake Hidden Achievements

Find all 24 optional action triggers by day, distinguish them from normal duties, and revisit missed actions after the story.

Hidden Achievement Triggers by Day

The Steam list contains 49 achievements: ordinary task completions, 24 optional actions, and one post-game chain. Use the task name beside each optional action to return to the right scene; the same object can behave differently in another chapter.

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Day 1

  • Petting the Horse — The Arrival: Tap near the horse’s face before feeding the carrot.
  • Feeding the Cat — Preparing Breakfast: While Rustie grooms on the chair, give it milk before using the dead mouse.
  • Exercising with Mr. Aldous — Waking Up Aldous: During exercise, keep moving Aldous until his back catches; interact to help him straighten.
  • Small Repairs — Preparing the Reception: Dust the small picture in the Servant’s Room until it falls, then rebuild it from the pieces.
  • Ruining the Bouquet — Welcoming the Guests: After solving the flower pyramid, feed the bouquet to the goat before milking it; give the damaged flowers to Alexandra.
  • Serving Matcha Latte — Serving Tea: Give tea leaves to Rustie, collect the green powder from the hallway crate, and use it in Alexandra’s tea.
  • Soothing the Baby — Opening the Reunion: Pour champagne for James before handing him to William.
  • Checking for Intruders — The Night Watch: Keep inspecting the back garden doors until the masked visitor appears.
  • Chase away the Crow — Searching the Attic: Click the crow at the attic window while working on the constellation box.
Rustie milk interaction🔍 Enlarge Clue

Day 2

  • Serving Mr. Aldous his Favorite Coffee — Preparing Coffee: Roast the beans on the stove surface before grinding and brewing them; do not place them in the flame.
  • Tickling Mr. William — Waking up William: Use the parrot feather on William’s upper-body targets as well as completing the required toe interaction.
  • Deep Cleaning — Cleaning the Floors: While scrubbing the Servant’s Room stain, brush across the small stick-figure marking before releasing the scrubber.
  • A Perfect Hunt — Going Hunting: Complete the hunt without a missed shot; the animal order depends on the clues and which targets have appeared.
  • Close Inspections — Doing the Washing: Look through the bathroom keyhole and let the observation play out.
  • Cleaning the Windows — Helping with Bathing: After Alexandra settles in the tub, clear the fog from every bathroom pane.
  • Garbage Disposal — Night Time Duties: Throw each of the three discarded objects over the balcony railing.
  • Pest Control — Inspecting the Cellar: In the left passage, use the magnet at the mouse hole for the key and mouse; crush the mouse with the sledgehammer.

Day 3

  • Petting the Cat — Looking for the Cat: Once Rustie is on Kate’s lap, keep petting until it jumps away.
  • Animal Testing — Assisting in Alchemy: Put some of the completed elixir in the parrot’s bowl before serving Aldous.
  • Checking the Furniture — Unforeseen Maintenance: Inspect the table leg beside Rustie while the cat is still there; open the concealed compartment and read the note.
  • Seasoning the Soup — Preparing Dinner: Take Kate’s knife, kill the fly, and add it to the soup before preparation is finished.
  • Finishing Touch — Dressing up for Dinner: Arrange the hallway fish picture to expose the brooch, then attach the brooch to William’s dinner outfit.
  • Safety Test — Serving Dinner: Pull the chandelier rope repeatedly until Aldous responds.
  • First Aid — The Departure: Lift Aldous’s trouser leg, remove the bullets with the fork, then close the wounds.
Petting Rustie on Kate's lap🔍 Enlarge Clue

If an achievement did not appear

The developer FAQ says missed achievements can be obtained after finishing the story. Use the Notebook to revisit the matching task and repeat its optional action. Some actions depend on an earlier scene state, so use the task replay flow when that state is gone; do not erase the full save as a first remedy.

This article covers optional triggers. The ordinary task achievements are tied to completing their named story tasks; You’ve found him! is a separate post-game route with its own reveal.

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