glad you guys enjoyed! i dont know how to mark this as spoilers so ill just do this
::SPOILERS::
to get ending 3 you have to look behind you when the twig snaps when walking up the ramp, then go to the car after watching the person behind the car, then right before you walk into the house, you will hear an audio queue saying "behind you"
look behind you.
thank you people again for playing, much apprechiated