SPOILER ALERT:  This post contains mild spoilers from the video game “ Unhinged ,” which is now available to play on Netflix . When it comes to horror movies, I am a wimp. A coward, a chicken, a scaredy-cat. It’s my favorite genre, but without fail, you can find me jumping and whimpering, even at buttoned-up film festivals and press screenings. When I heard that David Fincher and Zach Cregger collaborated to help develop the interactive Netflix game “Unhinged,” I was so excited to give it a