Seek Not a Lighthouse Walkthrough:

This will contain major puzzle spoilers and minor story spoilers!
Seek Not a Lighthouse autosaves, but it’s always good to save manually by going to the Main Menu, then going back into the game!

• Pick up Shovel
• Get Paycheck from mailbox
• Inside the shack, buy Milk from the clerk
• Put the Shovel in the Blender
• Put the Milk in the Blender
• Put the Gumballs in the Blender
• Turn on the blender
• Bring the Shake to your daughter outside
• Oh No!
• Pick up the Mug from the stand
• Grab the Wood Board from above the cracked window
• Go into the Alley
• Pick up the Avocado from the Dumpster
• Go to the stairs and bring the Hairbrush to Dawn
• Take the Gold Dye
• Take the Mirrored Window from the wall
• Take the Manhole Cover from inside the bathroom on the ground floor
• Go Inside the Cafe and fill the Mug with water from the sink
• Don’t forget to turn on and off the faucet!
• Pick up the Ice Cream Scoop
• Use the Gold Dye on the Mug of Water
• Give the full Mug to Hix at the counter
• Take the Clock
• Take the Wire on the floor
• Use the Wood Board on the Stationary Bread Cutter
• In the first building, give the Clock to the little kid
• Talk to Hix who’s standing outside
• Follow Hix and use the Ice Cream Scoop on the Pile of Sand
• Go back to the Alley
• Go past the building and to the Festival
• Pull the lever in the second booth to distract the man
• While he’s away, take money from the cash register and the mask from the sign, on the first booth
• Go Into the Circus Tent (This will trigger a cutscene)
• Give the Manhole Cover to Mr. Spaghetti
• Take the Dead Snake from on top of the boxes
• Go back to the Docks
• Put on the mask, and pay Hix with the money for a Boat Ticket
• Go to the next Island
• Take the Stuffed Owl
• Use the Ice Cream Scoop on the Owl
• Give the Wood Stump to Herbert in the shack
• Take the Cheese
  
• Go back to the Bathroom in the Alley
• Use the Hollow Owl on the Toilet
• Use the Snake on the Hole/Snapped Rope
• Climb down into the hole  (This will trigger a flashback)
• Give the milkshake to Tim
• Go to the back of the Cafe through the door
• Take a piece of string from the Mop
• Use that String on the Light
• Pull the String to turn on the Light
• Take the Electrical Tape
• Take a Knife from the group of Utensils
• Use the Tape on the frayed Phone Wire
• Use the Phone (This will go back to the present)
• Use the Cheese on the Mousehole
• In the next room, use the Owl on the first fire
• Open the Grate
• Take the Metal Rod
• Close the Grate
• Use the Rod in the Fire
• Go Into the next room (This will trigger a flashback)
• Use the Tape on the Knife to make a Makeshift Screwdriver for the Cop
• (If you don’t have the Tape in the Inventory, go back to the closet and take more)
• (If the Tape still doesn’t show up, exit to the Main Menu, then go back into the game.  That should fix it. ¯\_(ツ)_/¯ )
• Give the Screwdriver to the Cop (This will go back to the present)
• Take the Metal Grate from the floor
• There is a locked drawer that requires a combination
• Go back to the other island
• Use the Crowbar on the door to the Lighthouse
• A poster on the wall shows the combination
• Take the Camera on the second floor
• Optional: Take a picture of the poster
• Exit the Lighthouse
• Use the Payphone with the money and type in 2460
• Go back to the room under the alley and put in the combination: 3, 12, 5, ?
• Take the Key from the drawer
• Go back to the other island and into the lighthouse
• Unlock the door on the top floor with the Key
• Go across the bridge
• Use the metal grate on the gap in the bridge (This will trigger a cutscene and a flashback)
• Talk to the reporter
• Put the Rose on the graves
• Go down to the bottom floor by removing the Out of Order sign
• Pick up the Licorice
• Use the Scoop on the Avocado
• Use the Licorice on the Peel
• Go back to Herbert and Give him this Eye Patch
• Take the Fishing Rod
• Herbert will leave, so take his Mouse (This will trigger a flashback)
• Pick up all the pieces of the Machine
• Turn on the Machine
• Go back to the other lighthouse across the bridge and exit on the ground floor
• Use the Worm on the Fishing Rod
• Use the Baited Rod on the Dock Handle to pull it out of the water
• Walk to the end of the dock and use the Baited Rod on the Fish
• Once on the other side of the water, pick up the Dead Fish
• Hix will come and make you go inside
• Go back to the Festival
• Go to the end of the festival to the Fish and Chips booth
• Combine the Dead Fish with the Avocado Goo
• Give this to the Chef
• Take the Knife
• Go back to the lighthouse with the mask on
• Use the Knife on the Body
• Use the Live Mouse on the Open Body
• Use the Camera on the Crime Scene and give the photo to Mr. Spaghetti
• Take the Sticker (This will trigger a little flashback)
• Use the Helmet
• Use the Sticker on the Window Glass
• Go inside the Lighthouse
• On the top floor, use the Stickered Glass on the Window (this will trigger a flashback)
• Close the Coffin with a click
• Push the Coffin with a click
• Push the Coffin into the water with a Click
• Go back to the other island and walk all the way down to the Scenic Point sign
• Use the Out of Order Sign on the Scenic Point Sign
• Cut the rope with the Knife
• Climb down the rope (This will trigger a flashback)
• Talk to Dawn
• Go down into the vault
• Use the Electrical Wire on Computer 1
• Go Inside the door
• Use the Knife on the Breathing Tube
• The game ends in this last scene by examining the items in the scene…

Thanks for playing!