Deep Sleep Trilogy

Deep Sleep Trilogy

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Deep Sleep Trilogy | Walkthrough & Achievement Guide
By lylat
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Deep Sleep Trilogy is a collection of surreal point and click adventure games with eleven achievements.

This is a step-to-step and straight-to-the-point walkthrough focused on completing each of the games while unlocking all the achievements along the way.
Follow the guide thoroughly to avoid any issues.


 
Start a new game.
  • Click on the vase [A Key].
  • Go right and use the Key on the locker.
  • Pick up the cube [A cube with a keyhole].
  • Go left and pick up the skeleton's arm [A human bone].
  • Go right twice and all the way downstairs.
  • Click on the bell 50 times.
     
A Stubborn Guest
[Deep Sleep] You are really stubborn sometimes, aren't you!


  • Click on the basement stairs on the left side.
  • Pick up the piece of clock from the bucket [A piece of old cloth].
  • Click on the furnace to the left.
  • Use A Human Bone on the right pipe and click on it to stop the furnace.
  • Go upstairs to reception and head right.

  • Use A Piece of Old Cloth on the puddle [A soaking wet piece of old cloth].
  • Go back to the furnace and get closer to it.
  • Then, use A Soaking Wet Piece of Old Cloth on the valve to open the door.
  • Go through it.
  • Pick up the key from the floor [A small key].
  • Go forward.

  • Hold LMB to clean up the wall and reveal a code.
  • Write down that code as it's random for every playthrough.
  • Go back to reception and upstairs.
  • Go into the room in front of you and then right.

  • Interact with the phone.
  • Click on the cabinet and then pick up the flashlight [A flashlight].
  • Use A Small Key on the top drawer on the right [Batteries].
  • Combine the Batteries with the Flashlight.

  • Go left twice and back downstairs to reception.
  • Go through the now open door in front of reception.
  • Use the Flashlight on the darkness.
  • Go forward, left, and forward twice.

  • Click on the lower window.
  • Click on the keypad and input the random code you got in the furnace.
  • Click on the handle near the keypad several times to open the door, then go through.
  • Use the Flashlight.

                                              Next section must be done quickly.                                             

  • Go forward 4 times and pick up the pickaxe [A pickaxe].
  • Go back until reaching the keypad and click on the handle several times to close the door.


  • Click on the window to leave.
  • Go downstairs and pick up the hook from the ledge [A hook].
  • Go back up and through the upper window.
  • Go backwards 4 times to reach reception and then go upstairs.

  • Head right and use the pickaxe on the wall thrice. Head through the hole.
  • Pick up the net from the sand [A net].
  • Combine the Net and the Hook on your inventory.
  • Click on the hole to the left to leave and go back to reception.
  • Go through the middle door again and use the flashlight.

  • Head forward, left, and forward twice again.
  • Use A Net with a Hook on the middle window and go through it.
  • Pick up the hanging key on the right side [A golden key].
  • Combine the Golden Key with the Cube With a Keyhole [A shiny gem].
  • Head back through the window and through the upper window.

  • Go backwards 4 times to reach reception, then go upstairs.
  • Head right and through the hole.
  • Click on the lighthouse to approach it.
  • Go through the door and upstairs all the way to the top.
  • Use the Shiny Gem on the lamp to create a light source.
  • Go all the way down the stairs and through the door.

                                              Next section must be done quickly.                                             

  • Go upstairs all the way to the top.
  • Click the left lever 6 times and the right lever once.


Out Of The Depths
[Deep Sleep] Complete the game
    
Start a new game.
Feel free to skip the introduction.
  • Go left and forward.
  • Pick up the note from the table [Notes 1/15].
  • Go back and to the left room.
  • Pick up the book from the left table.
  • Go right twice and use the book on the empty space in the shelf.
  • Go through the doorway.

  • Pick up the note at the bottom left corner [Notes 2/15].
  • Pick up the batteries from the rounded table [Batteries].
  • Open the right door and go through it.
  • Go right twice and downstairs. You'll reach the reception from the first game.
  • Pick up the key from the rack above the bell [A room key].
  • Click on the bell 50 times.
        
b]The stubborn guest returns [Deeper Sleep] It's like a recurring nightmare[/b]


  • Go downstairs by clicking on the top left staircase.
  • Head right.
  • Click on the gate to find a prisoner and exhaust all dialogue options [Notes 3/15].
  • Go right and pick up the note to the right of the gate [Notes 4/15].
  • Head right and pick up the flashlight [A flashlight (It has no batteries...)].
  • Combine the Flashlight with the Batteries in inventory.

  • Go left thrice and upstairs to reach the reception.
  • Go back upstairs by clicking on the bottom left side.
  • Click on the dark room on the right and use the Flashlight.
  • Pick up the note from the left side of the fireplace [Notes 5/15].
  • Head right and pick up the note under the middle desk [Notes 6/15].
  • Pick up the pointer from the right desk [A pointer].
  • Note the code on the chalkboard (it's random for every game).

  • Go left twice and downstairs back to reception.
  • Head through the top right doorway and use the Pointer on the yellow key.
  • Exit the room and go downstairs.
  • Go right twice and pick up the key [A golden key].
  • Go left twice and upstairs back to reception.
  • Head through the bottom right doorway to find a room with a clown poster.
  • Use the Golden Key on the door. Go through it.

  • Go right once and use the Flashlight.
  • Go forward through the path between the trees.
  • Pick up the note from the left [Notes 7/15].
  • Go forward twice towards the scarecrow.

  • Click on the scarecrow [A thread].
  • Go back thrice and right twice.
  • Go forward through the path between the trees.
  • Pick up the note on the left [Notes 8/15].
  • Go forward four times to find a well.

  • Click on the pot next to the well [A key].
  • Go back five times and to the right.
  • Pick up the note from the right tree [Notes 9/15].
  • Go right and click on the wheel once.
  • Head inside the building and pick up the bag with a hole [A bag with a hole].

  • Exit the building and go all the way left until reaching the house.
  • Go inside and into the reception area.
  • Use A Key on the double door and go through it.
  • Pick up the wrench [A pipe wrench] and the note on top of the boxes [Notes 10/15].
  • Go back to reception and through the upper right door.
  • Use the Wrench on the valve.
  • Go back to reception and downstairs.
  • Head right thrice to the room with the keypad.

  • Input the random code from the chalkboard.
  • Click on the crank until the door is fully open.
  • Head through the door and use the Flashlight.
  • Go forward twice and pick up the note from the left [Notes 11/15].
  • Continue forward thrice and use the Wrench on the left valve.
  • Head right.

  • Pick up the needle [A needle] on the left and the note on the top right shelf [Notes 12/15]
  • Pick up the tiger plushie [A plushie tiger] from the right, next to the umbrella.
  • Combine the Needle and the Thread in your inventory [A threaded needle].
  • Use the result on the Bag With a Hole.
  • Leave and go all the way back to reception.

  • Go outside and to the right. Turn on the Flashlight.
  • Go right once more.
  • Use the Empty Bag on the pile of stones to fill it up [A bag, 1/3 full].
  • Go right and forward twice.
  • Use the Bag on the mound of ground to fill it up [A bag, 2/3 full].
  • Go back twice and right twice. Enter the building.

  • Use the BAG on the pile of flour to fill it up [A full bag].
  • Put the bag on the right cabinet and go through the open door.
  • Pick up the note on the right [Notes 13/15].
  • Use the Wrench on the valve.
  • Exit the building and go right.
  • Pick up the note from the floor [Notes 14/15].
  • Go right and forward to reach a fountain.
  • Pick up the last note from the fountain [Notes 15/15].
        
The Librarian
[Deeper Sleep] Collect all the notes


  • Click on the buttons in the following manner:

       X  
       1  
       2  
       X  
       X  
       3  
       4  
       X  

  • Go all the way left back to the house and into the reception area.
  • Go upstairs through the lower left door.
  • Head left twice and use the Room Key on the door.
  • Go inside and interact with the nameplates to find Cody's bed.
  • Then, use the Tiger Plushie on his bed.
  • Leave and go right to the elevator area. Press the button.
  • Enter the elevator and click on the red button next to the 2.
  • Use the Flashlight and go forward.

                                              Next section must be done quickly.                                             

  • Pick up the screwdriver [A screwdriver] and go back.
  • Use the screwdriver on the panel, pick it up when it falls, and use it again on the panel.
  • Press the red button and get in the elevator.


  • Get inside the elevator again and press the -1 button.
  • Head left and use the screwdriver on the panel. Pick up the rope [A long rope].
  • Go right and through the right door.
  • Go upstairs back to the reception area and outside through the bottom right door.

  • Go right and turn on the Flashlight.
  • Head right twice and forward all the way to the well.
  • Interact with the well and use the Long Rope on the dark spot. Climb down.
  • Go right thrice and into the darkness.
        
I have to go deeper
[Deeper Sleep] Complete the game
You are safe now
[Deeper Sleep] Save the lost boy
    
Start a new game.
  • Click on the shadow figure on the left four times.
  • Click on the flashlight to pick it up.
  • Pick up the vase on the left corner [A sealed vase].
  • Go through the middle door and forward twice.
  • Head through the right door.
  • Open the middle door and go through it.
  • Click on the paper on the floor.
Sleeping Beauty
[The Deepest Sleep] Find the sleeping beauty


  • Pick up the screwdriver from the top shelf [A screwdriver].
  • And the hammer from the right shelf [A hammer].
  • Use the Hammer on the Sealed Vase in inventory [A shiny gem].
  • Leave and go right.

  • Use the Screwdriver with the statue's mouth [A shiny gem].
  • Go left twice and up twice.
  • Use both Shiny Gems on the skull statue.
  • Head through the left door.

                                              Next section must be done quickly.                                             

  • Take the small gem from the wall at the center of the room and insert it on the left hole. Go through the door.
  • Pick up both gems and insert them into the blue holes. Go through the door.
  • Pick up the three gems and insert them into the blue sockets. Go through the door.
  • Pick up the handle [A handle] and go back through the door.
  • Retrace your steps by picking all gems and placing them into the white sockets.
  • Make your way back to the skull statue.


  • Go down twice and left once.
  • Use the Handle on the reel and pull it down.
  • Go right six times.
  • Take the stool on the left [A stool] and examine the poster on the wall.
  • Go left twice and place the stool under the doorway.
  • Go left four times and pull the handle.
  • Go right five times.
  • Go up past the gate and right.

              Move your mouse slowly or you'll die to the monster and lose an achievement.               

  • Move your mouse slowly to the left and pull the lever.
  • Now, move your mouse a little bit faster to the right and go through the door, without filling the bar.
  • If you go to the next room and filled the bar, simply alt+f4 and continue the game. The door will be completely open letting you go through without any rush.
Silent as the grave
[The Deepest Sleep] Sneak past the Bottom Feeder without drawing its attention


  • Click on the piece of paper on the table and write down or screenshot the pattern as it's random for every playthrough.
  • Go right and forward into the bathroom.
  • Pick up the golden key from the sink [A golden key].
  • Leave and use the key on the right door. Go through it.
  • Go right thrice and then up.
  • Pick up the can [An empty grease can] and go down.

  • Enter the room on the top left corner.
  • Pick up the stone tablet under the mushroom on the wall [A stone tablet].
  • Use the Hammer on the mushroom.
  • Use the Empty Grease Can on the mushroom to fill it up [A full grease can].
  • Go right thrice.
  • Use the Full Grease Can on the trapdoor and go down.

  • If the monster shows up, slowly move your mouse to not draw its attention.

  • Go right and use the Hammer on the pile of plates.
  • Go back left and take the stone tablet from the floor [A stone tablet].
  • Go back up the ladder.

  • Go left once and approach the window.
  • Take the wind-up key from the ledge [A wind-up key]
  • Leave and go left.
  • Enter the bottom left door and head left thrice.
  • Use the Wind-Up Key on the music box.

  • Go left and click on the curtain to get through.
  • Pick up the stone tablet next to the skeleton [A stone tablet].
  • Go right six times and up once.

  • Use the Screwdriver on the lid on wall.
  • Use the Screwdriver on the gears to jam them down.
  • Head down.

  • Go through the bottom left door and thrice to the left.
  • Go up twice, right once, and up once.
  • Pick up the stone tablet from the left shelf [A stone tablet].
  • Go down, left, and down twice.
  • Go right twice and place all stones on the wall to match the pattern you screenshotted.

  • Click on the valve several times to bring down the ladder.
  • Go up as soon as the "OK, GO!" prompt shows up.
  • Close the trapdoor.
  • Click on the left mirror and two more times to start a cutscene.
  • Go right and click on the door.
  • Catch the traveler by clicking on him.

                                             Feel free to alt+f4 to skip the credits.                                             
Wake Up
[The Deepest Sleep] Complete the game - ending
Deep Sleep
Complete the trilogy


  • Click on continue to start in the room with the mirror.
  • Go right and click on the door.
  • Don't catch the traveler. Simply let the person get away.
The Cycle
[The Deepest Sleep] Complete the game - ending B
    
Big thanks to "LAHKW Walkthrough Channel" for their amazing walkthroughs

4 Comments
Cyan Nov 10, 2024 @ 2:41am 
best possible guide!
DeathHero® Oct 30, 2024 @ 2:32pm 
THX :cupup:
Нагито Комаэда Mar 1, 2022 @ 5:31pm 
hheaven, there is a mention of Cody in the first Deep Sleep game.

https://steamcommunity.com/sharedfiles/filedetails/?id=2769835538
heavenloss Feb 25, 2022 @ 7:19pm 
how are we supposed to know that cody is the kid that should get a plushie tiger? did I miss something?