Yeah....yeah that sounds so familiar. Grrr, like the locked door, THAT YOU ALSO POSTED YOU TORMENTOR!!!! ;-), that's gonna bug me, man. Let me think on it.
Hmm... should have tried doing some searching, but I thought someone here would have played it.
Anyway, bit of research and I found it! It's called What Remains Of Edith Finch.
http://store.steampowered.com/app/501300/What_Remains_of_Edith_Finch/