Walkthrough
Stuck on How 2 Escape: Lost Submarine?
Don't worry, here’s the official walkthrough to guide you through!
Contents
Rescue Submarine
Welcome to the first room of the game: the Rescue Submarine.
To clear this room, you must solve three riddles in total. However, to access the third riddle, you first need to solve two specific ones:
Only after solving these will the third riddle become available.
> Solution: The Periscope
A part of the periscope is lying on the floor. To access the riddle, you must pick it up and attach it to the designated spot on the ceiling.
To solve the riddle, you’ll need a 6-digit code.
Click on the periscope to look outside, where you'll see three different lighthouses. Each lighthouse features:
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A unique pattern on its structure.
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A light sequence that is projected
The Companion App player has a manual to assist with solving the riddle. He can find a table structure on the 1rst tab.
The table has columns for the lighthouses and rows for the light sequences.
Each lighthouse and its sequence correspond to a specific number.
The main player observes the pattern on each lighthouse's structure and the light sequence visible through the periscope.
Using the description, the Companion App player matches the lighthouse's pattern and light sequence on the table to find the corresponding number for each lighthouse.
Solution for the 1rst lighthouse:
There is a stroke pattern on the 1rst lighthouse with the following light sequence: yellow (triangle), blue (square), red (circle), yellow (triangle).
The player needs to locate the column corresponding to the lighthouse with the stroke pattern and the row matching the previously described light sequence. The number 21 can be found at the intersection of these two pieces of information.
Combine the numbers for all three lighthouses into the 6-digit code. In this case, the solution is 214413.
(1rst lighthouse = 21, 2nd lighthouse = 44, 3rd lighthouse = 13)
> Solution: The Abyss
In the room stands a large machine equipped with sliders, buttons, and three screens. The players' objective is to uncover the coordinates leading to the big submarine—their ultimate destination. To solve this puzzle, three key pieces of information are required: latitude, longitude, and oxygen.
On one of the screens, a post-it displays a code referred to as the Codex Code—a recurring element in the game. This code must be relayed to the Companion App player. In the Companion App, a widget called Codex (the third widget on the left, represented by a locker icon) is used to input this code.
Once the code is entered into the Codex widget, a screen displaying the ocean floor and a slider appears. The slider adjusts to different depths, with the fauna and flora changing at each stage.
The big machine near the rescue submarine has three screens, each corresponding to one piece of information: latitude, longitude, and oxygen.
Each screen displays a unique visual: A shoal of tuna, a specific rock and specific seaweed.
The task is to describe these visuals to the Companion App player, who must locate and click on them to read their information.
The shoal of tuna refers to the latitude.
The rock refers to the longitude.
The seaweed refers to the oxygen.
The solution is :
Latitude : -120
Longitude : 30
Oxygen : 14
> Solution: The Levers
Once the two other riddles are solved, the upper section of the left machine will unlock. This part serves as a tutorial to demonstrate how the hint machine works. Simply follow the instructions displayed on the three screens of the abyss riddle machine.
First of all, take the hint card positioned above the levers.
How to use the Hint Machine?
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Place the card on the hint machine near the door.
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Click on the machine, then select the button labeled “Levers.”
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Click on Hint 1 to unlock it.
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A code will appear: “F1WJC.” Share this code with the Companion App player.
On the Companion App, the last widget in the left menu (represented by a magnifying glass with a question mark) is the Hint Widget. The Companion App player must enter the code here to reveal the hint.
The tutorial hint explains how to open the door. The Main Player must activate the levers in the following order:
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Fourth lever
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First lever
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Third lever
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Fifth lever
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Second lever
WARNING: Unlike the rest of the game, this is the only moment where a hint card reveals the solution.
Once the levers are activated in the correct order, the door will open.
Congratulations!
You’ve cleared the first room. Proceed through the door to continue the game and begin the second room.
The Machinery
To access the content of a new room, the Companion App Player needs to update their application.
Here's how to do it:
At the end of each room, the Main Player will see a panel displaying an accreditation code. The Main Player should share this code with the Companion App Player.
Here is the accredidation code that unlock the Machinery content:
Instructions:
1. On the Companion App, navigate to the main menu (represented by a home icon on the left part).
2. Look for a widget with a badge icon. Tap on it.
3. Enter the accreditation code provided by the Main Player.
Once the code is entered, an audio cinematic will play, followed by a loading screen as the app updates.
After the update is complete, the Companion App Player will gain access to the new room's content, and the corresponding widget will be unlocked.
Here is the second room of the game: the Machinery.
The goal of this room is to repair the water machine, take the electricity one and do the oxygen machine work.
There are 3 riddles to clear the room, but there is only one on the demo.
Solution: Oxygen (not available in the demo)
Solution: Electricity (not available in the demo)
> Solution: Water
There a large machine with X vats and five portholes and a codex code is written on a post-it attached to one of the vats. The Companion App Player must enter this code into the codex widget.
Once the code is entered, a representation of the Water machine displays on the screen.
The Companion App Player has access to four buttons, each corresponding to a specific pipe. The Main Player must describe the appearance of the four pipes connecting the vats, enabling the Companion App Player to select the correct ones.
Here's the solution:
After validating the correct answer, a new screen appears, displaying a visualization of the water machine and the states of water and fire on the portholes. The Main Player can adjust a lever on each porthole, while the Companion App Player describes the states shown on their screen. Using these descriptions, the Main Player must position the levers to match the states seen by their teammate.
Once the Main Player is confident that all levers are correctly set, they can activate a final lever located on the vat near the entry door. If the setup is correct, the light turns green, and the final door will open, signaling the completion of the demo.
Because the game is procedural, the setup and solutions vary depending on the codex code, ensuring a unique experience with each playthrough.
Here are all the answers:
If the codex code is 4855 :
If the codex code is 4217:
If the codex code is 8425:
Congratulations!
You’ve finished the demo. Thank you for playing and stay tuned for the full game release date!