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In Sink: A Co-Op Escape Prologue Walkthrough Guide

In Sink is a multiplayer co-op adventure prologue that requires teamwork to solve puzzles.

You need to brainstorm with your teammate to escape the rooms.

In the game, you’ll follow the journey of two friends that are trapped on a strange island.

You need to pass through portals to alternate worlds and face escape rooms, puzzles, and other mysteries.

Every portal you complete will bring you closer to returning home.

This article contains an In Sink: A Co-Op Escape Prologue walkthrough guide on Steam for rooms 1, 2, and 3.

  1. Room 1
  2. Room 2
  3. Room 3

Room 1

Puzzle 1:

  • Boy: input 334
  • Guy: input 215

How to solve: This number is found by looking at the cube and communicating it to your partner.

Puzzle 2:

  • Boy: from left to right: blue, black, white, purple
  • Guy: from left to right: turquoise, yellow, orange, pink

How to solve: These colors can be found when looking up the door frame and are meant for you, not your partner.

Puzzle 3:

  • Guy stands on the stage so the Boy can crawl inside, then the Boy pushes levers 1, 6, and 8 up while pushing all others down.

How to solve: The number of bottles indicates which numbered lever it is for. The color of the bottles is connected to the color of the plates.

When rotated to their back, the plates show if a lever should be pushed up or down.

Puzzle 4:

Boy: Communicate the color of the cup and how many ice cubes it has. Press the middle button to fill the cup with the currently selected symbol, sometimes a certain symbol will require 2 fillings.

Guy: Find the right recipe for the correct cup, hit play, and move the cup once to the right.

Correctly fill 4 cups to solve this puzzle.

Room 2

The missable achievement, The opportunity to be more than just thinking alike and be in the sink is finally here. Jump in the kitchen sink.

Puzzle 1:

How to solve: Look around the room, for example, the apple in the kitchen is in the first position, and the red lever is moved to the first position (left).

The second position for levers is middle, third is right.

Puzzle 2:

  • Input the code 2679

How to solve: Guy stands on the weight, then the Boy can stand on the chess board. From here you can combine your notes to get the 4-digit password.

Room 3

Puzzle 1:

How to solve: Look out the window and find the symbols on the ship.

Find the first symbol from the ship that matches the first position symbol on which mannequin.

Use the color of the correctly matched mannequin on the top position of your model and work your way from top to bottom.

Puzzle 2:

  • 4458 from top to bottom on the spinning wheel.

How to solve: Find the missing numbers to fill the board.

Then do a calculation x+y-z for all numbers on the board in a column (top to bottom) to get the password.

Enter the ship by using the pressure plates.

Puzzle 3:

Guy sees the correct symbol, Boy has to select that symbol out of possible 4.

Do it 6 times to solve this easy puzzle.

Puzzle 4:

Combine the obstacles from both players, as both obstacles will need to be avoided.

Boy moves up and down, Guy moves left and right. Reach X to win.


  1. FrozenShiver on Steam
  2. Th3 P4!n on Steam

Further reading

House Party Walkthrough Guide (100% Achievements)

Faith Chapter 1, 2, and 3 Walkthrough Guide

Happiness Double Room Walkthrough Guide


About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.