Alone in the Dark: How to Solve Boiler Puzzle - Explained

The Boiler Room puzzle in Alone in the Dark is a multi-step brainteaser that requires exploration, observation skills, and logical thinking. This puzzle blocks progress until solved, making it crucial to understand the steps involved. This guide will walk you through the process of how to solve the Boiler Puzzle in Alone in the Dark.

How to Solve Boiler Puzzle in Alone in the Dark

Before attempting to solve the boiler puzzle itself, you must eliminate the steam spewing from the boiler. To do this, follow these steps:

1. Enter the Drawing Room using the palette knife to unlock the wedged door.
2. Find the Cellar Key inside the Drawing Room.
3. Use the Cellar Key to access the Food & Wine Cellar. 

   

4. Cut power to an electrified cable submerged in water using a switch found on the wine racks.
5. Retrieve the Valve Handle from the same room. 

   

6. Return to the Boiler Room and attach the Valve Handle to stop the steam.

With the steam gone, you can progress to the next phase of the puzzle.

Find the Second Broken Plates

Two broken plates are required to solve the boiler puzzle. One plate is conveniently located on the ground near the boiler. To find the second plate:

1. Obtain the key atop the broken piano in the Grand Parlor.
2. Use this key to unlock the medicine box in Lottie's Room, containing Dr. Jenkin's Lozenges.
3. Head to Cassandra's Room and locate two additional medicine bottles.

   

4. Place the three medicine bottles on the bottle rack in the order shown in the image.
5. Note the revealed numbers: 2, 5, and 7.

   

6. Unlock the combination lock (using the cipher from Perosi's Room) by entering Pisces, Gemini, and Leo.
7. Retrieve the second broken plate from the unlocked compartment.

Solve the Boiler Puzzle

With both broken plates in hand, it's time to solve the boiler puzzle itself:

1. Insert the two plates into the boiler plate slots.
2. Rearrange the plates to match the image depicted.
3. Once correctly arranged, the boiler will deactivate, revealing three numbers on the gauges: 9, 7, and 5.
4. Place your talisman onto the plate.

   

5. Enter the numbers 9, 7, and 5 to unlock a path to the cemetery, your next objective.

Summary

By diligently following these steps, you'll solve the Boiler Room puzzle, unveiling the path to your next destination in Alone in the Dark's chilling adventure.

Remember, attention to detail and logical thinking are paramount to progressing through this haunting mystery.