As mentioned, you first need to power the Laboratory using the Boiler Room's power. If you've upgraded the Aquarium to add Electric Eels, you can also use that room. Once the Lab machine has power, ...

Brain teasers are a lot of fun and make you think in a different way, even if you don't get the answer on the first try, you can easily go back and see what you missed and take what you learned onto ...

The Utility Closet is one of the more common puzzle rooms in Blue Prince. Using it, you can turn off power to the Keycard Doors, send power to specific rooms, and even unlock a permanent upgrade. Here ...