Ok guys.. this is a stretch, but I was on youtube and I opened up this video:
And you see how the title screen is zoomed in on the hand? Well I examined the knife, and if you look closely, it has something that looks like an M scratched into it! What if there is a hidden letter in each of the trailers, and it stands for something? Like, "My name is.." from the survival log book, or what if it stand for "Music" because of the audio?