The new Fright Walk is COMPLETELY awesome! A lot of the effects were designed in-house and most of it's quite unique. Maybe not the world's scariest walk-through maze, but certainly an enjoyable one with plenty of jumps. The park recently posted a short behind-the-scenes "making of" video (possible spoilers):
Speaking of videos, the park also posted a really cool animated video of the park "springing" to life in a steampunk sort of way. It's hard to explain, but definitely worth a watch: