The Testament of Sherlock Holmes (Nintendo Switch) SIMPLE Walkthrough

written 2/17/25, updated 2/17/2025

This is a Simplified Version of the game without spoilers. For a Detailed Walkthrough CLICK HERE

Necklace at the Marquis of Conyngham’s Mansion

• Follow prompts
• Get Magnifying Glass, use on sheet music
• Find print
• Inspect all clues

221B Baker Street – 1

• Solve Necklace Puzzle
• Go to Diocese of Knightbridge on map

Diocese of Knightsbridge – Bishop Maitland’s Murder

• Get Piece of Rope
• Get Finger
• Get Broken Phial
• Get Metal Rod
• Get Scalpel
• Solve Footprint Puzzle
• Inspect all clues
• Solve Deduction Board
• Use Metal Rod on door lock
• Solve Lock Puzzle
• Inspect all clues
• Get Horse’s Head, use on floor
• Solve Knight’s Tour Puzzle
• Use Knife
• Choose one of available options
• Solve Chest Puzzle

221B Baker Street – 2

• Use Broken Phial on desk
• Solve Chemical Analysis Puzzle
• Use any remaining clue on the desk
• Analyze
• Get book
• Solve Deduction Board 1
• Choose the right location
• Solve Deduction Board 2
• Choose 1 of 3 locations to start an investigation

Investigation A: Westgate Jail

• Go to the Director’s office
• Inspect clues
• Get Pass
• Talk to receptionist
• Use Pass on room near entrance
• Ask about all subjects
• Go into prison
• Talk to Hans Schielman
• Talk to Warden
• Talk to Receptionist and Director
• Talk to Warden
• Use Keys on door across from Director’s office
• Inspect locker
• Solve Schielman’s Puzzle Box
• Get Hans’s Pen
• Talk to entrance guard Brighton
• Get Key for Brighton’s Locker and Brighton’s Suit
• Use Brighton’s Key on door next to Director’s Office
• Get Key “Jenny Patterson”
• Place Brighton’s Suit in locker
• Use Jenny’s Key on her locker
• Solve Patterson Puzzle Box
• Get Brighton’s Locket, Letter from Brighton, and Guard Duty List
• Talk to receptionist
• Talk to Warden
• Give Schielman his Pen
• Talk to Director
• Inspect alarm
• Talk to Warden through the bars
• Get Keys
• Go out and around the corner to prison door
• Talk to “Warden O’Sullivan”
• Use Keys
• Use Keys
• Solve Alarm Puzzle

Investigation B: Kensington Gardens

• Talk to Landlady
• Inspect all clues
• Get Spade, Rake, and Clothes Pegs
• Use Spade on fence
• Get Newspaper “The Strand”
• Inspect clues
• Use Rake on tree
• Get Tattered Clothes
• Talk to landlady
• Get Scarf
• Inspect clues
• Get Torn-up Pieces of Paper, place on desk
• Solve Paper Puzzle
• Use Clothes Pegs
• Use Matches
• Solve Invisible Ink Puzzle
• Use Spade near window
• Solve Combination Puzzle Box
• Solve Missing Pieces Puzzle
• Have Toby follow footprints
• Get Grease, use on lever
• Solve Pillar Puzzle
• Lower bridge
• Try door
• Undo Rope
• Unlock door
• Get Iron Bar, use on big doors
• Inspect clues
• Go towards side of locked gate
• Pull lever on wall
• Remove chocks
• Inspect clues
• Go up ramp of items
• Inspect clues
• Remove sacks near crates
• Go in
• Pull rope pulley
• Follow footsteps until reach concrete stairs
• Go through door
• Head down

Investigation C: Whitechapel Street

• Go into public dispensary
• Talk to doctor
• Go out to the church
• Go into cemetery
• Get Flyer from shed
• Inspect all clues
• Talk to man running soup kitchen
• Inspect table next to cart
• Ask man about “money game”
• Play Money Game
• Talk to man
• Go back to dispensary and talk to doctor
• Take list of dead
• Inspect jacket
• Use Scissors from worktable
• Get Metal Core, Keys, and Plan
• Go back to cemetery
• Solve Locked Box next to shed
• Get Note from Cemetery
• Get Axe, use on box
• Use Knife
• Get Note from the Cemetery Bandits
• Inspect and solve Tree Puzzle
• Find symbol on gravestone
• Get Shovel from shed, use on grave
• Solve Grave Puzzle Box
• Get Key and Hammer
• Inspect other shed
• Choose from options
• Get Kurtz’s Address
• Leave cemetery
• Find Kurtz’s house and use Key
• Inspect all clues
• Get Kurtz’s Letter
• Solve Deduction Board 1
• Go to morgue, talk to doctor
• Examine body
• Get Kurtz’s Map and Full Pipette
• Solve Chemical Analysis
• Solve Deduction Board 2
• Go to opium den
• Inspect all clues
• Get Ashes + Tea + Dirty Water = Lousy Booze
• Use on only awake patron
• Solve Chinese Key Puzzle
• Get Stick and Bilhook
• Inspect clues
• Get Barbituric Acid, Syringe, and Teaspoon with Opium Beads
• Use Teaspoon and Matches
• Get Liquid Opium + Barbituric Acid + Syringe = Syringe with Soporific
• Remove cloth, use Billhook and Stick
• Use Syringe with Soporific with perfect timing

221B Baker Street – 3

• Choose Farley’s Office

Farley’s Office

• Inspect all clues
• Get Cigarette Case
• Try door
• Get Hanger, use on electrical box
• Solve Electrical Box Puzzle
• Inspect all clues
• Get Message from Farley’s Writing Desk and Brush
• Move to other room
• Inspect all clues
• Get Burnt Paper, Bunch of Keys
• Call Scotland Yard
• Inspect all clues
• Get Photo of Prince Woodville, Note from Farley, Newpaper Article, and Ashes
• Use Ashes on notepad in other room
• Get Note from Farley’s Writing Desk
• Go to filing cabinet and open “DF”
• Find and get Index Card from Farley’s Secretary
• Be sure ALL clues are inspected (Hint: end of cigarette if you missed it)
• Solve Deduction Puzzle
• Inspect bookcase
• Solve Bookcase Mechanism Puzzle
• Get Hat

221B Baker Street – 4

• Inspect 5 clues on Hat
• Get File from bookshelf
• Solve Deduction Puzzle

Judge Beckett

• Ring doorbell
• Enter gate
• Inspect window
• Talk to Lucy the Florist
• Get Hairpin
• Talk to Holmes
• Use Hairpin
• Solve Window Lock Puzzle
• Get Oarlock
• Get School Book
• Inspect clues
• Solve Seating Chart Puzzle
• Get Door Handles, use on cupboard
• Get Greek Book
• Solve Roman Numeral Puzzle Box Puzzle
• Get Oarlock #2
• Inspect chalkboard
• Get Letter from Lord Benagard
• Get Cooking Oil from kitchen, use on chalkboard
• Inspect chalkboard contents
• Get Letter from Judge Beckett, Judge’s Wedding Photo, and Photo of the Judge and His Wife
• Solve Classroom Map Puzzle Box
• Get Key
• Go out door
• Inspect clues
• Get Lord Beckett’s Note and Warning
• Use Key
• Get Oarlock #3
• Get Photo of a Symbol
• Inspect clues
• Solve Safe Door Lock Puzzle
• Solve Locked Safe Puzzle
• Attempt to take Oarlocks from lock

221B Baker Street – 5

• Read Reporter – The Sherlock Holmes Affair
• Inspect all clues
• Inspect drawer
• Get and use Nail on the corner of the drawer
• Solve Holmes’ Disguise Puzzle
• Go into room

Holmes’ Hideout – Whitechapel, 6 Buck’s Row

• Go down street, look at door
• Choose answers
• Inspect all clues
• Get Holmes’ Pipe
• Get Musical Newspaper
• Use Holmes’ Pipe on crystal glasses
• Get Musical Score, use on microscope
• Get Reacting Agent, use on microscope then water basin
• Get Blotting Paper
• Inspect microscope
• Use Reagent and Blotting Paper
• Get Key, use on briefcase lock
• Solve Combination Lock Puzzle

London Countryside

• Go to door
• Get Vodka

Switch to Holmes

• Get Rope
• Inspect chest
• Inspect ALL clues on magician’s coat
• Get Fergusson’s Diary and Master’s Key
• Inspect clues
• Use Knife on moldy flour sacks
• Get Safe Conduct Passes, Information Card, and Cog
• Use Cog on mill axle
• Go outside
• Inspect clues
• Use Master Keys on shed
• Inspect clues
• Get Screwdriver, use on broom near house
• Get Wooden Handle, use on spade in shed
• Use Screwdriver
• Get Shovel
• Go into attic
• Use Shovel on wall
• Use Rope
• Use Shovel on repaired floor boards
• Get Chain, use to attach millstone to rope

Switch to Watson

• Inspect clues
• Get Paintbrush
• Get Gear, use on mill mechanism
• Solve Locked Chest Puzzle
• Get Key, use on medicine cabinet
• Get Hydrogen Peroxide and Bandages
• Hydrogen Peroxide + Vodka + Bandages = Bandages with Disinfectant
• Use on man

Switch to Holmes

• Inspect Trapdoor

Switch to Watson

• Talk to man
• Get Gear, use on trapdoor

Switch to Holmes

• Use Gear on mill axle
• Inspect clues
• Get paper from hand
• Get Petrol

221B Baker Street – 6

• Inspect clues
• Get Daily Report Newspaper
• Go into Holmes’ room

The Sewers

• Go backwards
• Pull rope
• Get Hook and Rope
• Inspect cigarette
• Inspect ladder, get Ladder Rung
• Get Rusty Metal Bar
• Get Wire
• Use Hook and Rope
• Inspect service door at water’s edge
• Ladder Rung + Rusty Metal Bar + Wire = Long Iron Bar
• Use on service door
• Get Old Scarf and Piece of Iron
• Inspect footprints
• Inspect grate
• Solve Sewer Grate Lock Puzzle

221B Baker Street – 7

• Listen to the truth

Abandoned Fun-Fair

• Get Iron Bar
• Inspect all clues of the motor
• Get Pliers
• Use Knife
• Get Bottle of Oil
• Use Iron Bar, get Crank
• Go down path
• Get Vodka
• Use Vodka, Bottle of Oil, and Crank on cable car motor
• Get Piece of Rope (x3)
• Get Dry Duster
• Go down stairs
• Get Empty Bottle
• Inspect window
• Use Dry Duster
• Piece of Rope + Piece of Rope + Piece of Rope = Tied Rope + Empty Bottle = Attached Empty Bottle
• Use on water tank
• Water Bottle + Dry Duster = Wet Duster
• Use on window

Switched to Holmes

• Inspect wall
• Get Iron Ladder from cable car location, use on wall
• Use Pliers
• Inspect clues
• Get Giraffe-Shaped Target
• Go into tent
• Inspect account book, use available knife
• Get Secret Accounts
• Inspect all clues in tent
• Get Lion-Shaped Target
• Use Knife under animal game
• Get Note in Pencil
• Get Monkey-Shaped Target
• Use all 3 Targets on animal game
• Solve Animal Puzzle
• Get Wads of Banknotes
• Leave tent along fence and go into building
• Inspect all clues
• Get Key, use on medicine box
• Get Bottle of Ether
• Use Wads of Banknotes on 5 locations
• Use Bottle of Ether
• Get Rope
• Go into door, inspect all clues
• Get Part of Crank, use on pole
• Use Rope
• Inspect table on stage
• Get Hans’ Diary and Note from the Funfair’s Director
• Inspect poster, get Key
• Knock over bottles
• Use Key on door
• Open cage
• Go to caravans
• Inspect all clues
• Look into window
• Get Metal Plate and Propaganda Tract
• Go to theatre
• Talk to Woodville, choose options
• Remove red rope
• Solve Rope Puzzle
• Pull lever
• Get Diamond Ring
• Get Magician’s Belt + Knife = Magician’s Powder and Leather Belt
• Use Magician’s Powder and Metal Plate on broken pipe
• Inspect all clues
• Get Saw, Letter to the Anarchists, and Wire
• Solve Russian Dictionary Puzzle
• Use Saw, get Ladder (x2) from caravans
• Go to left side of haunted house
• Ladder + Ladder + Wire = Large Ladder
• Use under window
• Solve breaking and entering puzzle

Switched to Watson

• Return to caravans
• Inspect all clues
• Get Rag
• Get Key
• Use Rag
• Get Watering Can, use
• Use Key
• Get Key, use
• Get Bag of Marbles, Letter in Russian, and Clock’s Hand
• Solve Russian Padlock Puzzle
• Get Crowbar, use
• Solve Explosives Paper Folding Puzzle
• Inspect all clues
• Solve Bomb Assembly Puzzle
• Use Bomb on carousel
• Solve Bomb Location Memory Puzzle
• Use Bag of Marbles

Switched to Holmes

• Inspect all clues
• Get Key, use
• Get Act of Transfer, and Metal Core
• Get Bedsheet + Bedsheet = Cloth Rope
• Use Metal Core
• Solve Moriarty’s Room Padlock Puzzle
• Get Oilcan
• Get Planks x5
• Use Cloth Rope
• Use Plank
• Use Oilcan
• Push door
• Use Planks
• Solve Planks on Maze Puzzle
• Use Key
• Inspect clues
• Use Telephone
• Solve Bomb Control Puzzle
• Go to cable car
• Get Bucket + Bomb = Bomb in a Bucket + Leather Bucket = Bomb Ready!
• Attach to overhead rope
• Use Knife
• Pull lever
• Return to Haunted House
• Try door to the left
• Watch Ending

GAME COMPLETE!!