At the end of Chapter 3, players will need to unlock the Flat First door before heading out to the Dead City. This code is located near the keypad itself. Here’s the First Flat Door Code code and its location.
How To Open The Flat First Door | First Flat Door Code
If you’re looking for the code for the Flat First door, we’ve got you covered. The code for the door is 3748 which can be found in the room nearby the access keypad. You need B-12, your newly acquired companion to use its torchlight to see the code.
The location is on the room to the right side of the keypad corridor. Enter the room, and look above to the left. Climb the shelves and knock down the blue paint (as you should) and voila, there’s the code.
Hope this guide helps!
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