Creepiest Easter eggs you’ve discovered in horror games

[Shortie]

Over the years of playing horror games, you may have come across many different Easter eggs within the game you played, whether they have been something you found unexpectedly or whether they were something that you discovered through a walkthrough you were following. 

What has been the creepiest Easter egg your have discovered in any horror game you have played? 

[killamch89]

In P.T., if you zoom in on the bathroom with headphones on, you can sometimes hear a fetus crying in the sink. It's subtle enough that many players miss it, but once heard, it adds an entirely new layer of disturbing context to the whole experience.