There is a puzzle in the Incinerator room inSignalis, which is located on level B3, and it centers around the adjustment of a series of gas valves. While this puzzle is not particularly difficult to solve, it can be a bit confusing initially. For those players that are indeed unclear about how to approach the gas valve puzzle inSignalis’s Incinerator room, this guide contains full details on its solution.
To note, players will need to open theNurse Station wall safe inSignalisbefore they can access the Incinerator room. To perform this opening, fans must use both the SWORD document, which is found in the Waiting Room on B3, and the numbers that the radio outputs when it is tuned to the Sword frequency. While this is a slightly complicated process, fans will be rewarded with the Incinerator Room Key for getting through it.
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Signalis: Gas Valve Puzzle Solution
The first thing that players should do upon interacting with the gas valvepuzzle inSignalisispull the lever on its right side. This action will cause several rectangles in the top-left corner of the machine to illuminate, and fans should see one of the CO2 rectangles, one of the GAS rectangles, and one of the O2 rectangles light up.
These lights provide information about which directions the associated dials must be turned, and fans ofsurvival horror video gamesshould follow these instructions after the preliminary pull of the lever:
Once these adjustments have been made, fans ofindie horrorshould pull the lever and observe the lights once again. Players should then make another round of adjustments, using the same instructions, and continue to repeat this process until no CO2, GAS, or O2 rectangles light up. This lack of illumination indicates that the puzzle has been solved, and fans will then be free to collect the Fire Key from the incinerator.
To verify that all of this is perfectly clear, here is an example of what aSignalisplayermight experience when engaging with the Gas Valve puzzle:
Signalisis available for PC, PS4, Switch, and Xbox One.
