In Nine Hours Nine Persons Nine Doors, I've managed to find five of the six endings. The only one that remains is the ending indicated by the first of the six question mark boxes. I feel like I've exhausted every possible path, and yet still haven't found this ending! Spoiling as little content of the path as possible, how do I find the first ending?
You must first finish the ending where you open the safe (which it sounds like you have).
Then go through doors
The "right" choices are