I regret to say this, but I had to give up at one point (after the toilet) because I again needed to search what to do next and the walking speed and not being able to run was too cumbersome. sorry. I am actually keen to know what the plot of the game is, so spoiler me if you will, but I had to quit there.
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Hey, no problem, thank you for playing anyway!
After the toilet scene there is a new fork up the corridor. You then reach a dead end where you get confronted by the ghost, who gives you a ticket. This ultimately allows you to leave the station by train. Initially we intended to put a cutscene there, that would nudge you in the right direction, but the time forbade it.