Decent watch, could watch again, but can't recommend.
I watched this excited to see Kat Dennings in a movie again, but she really ends up playing second fiddle to Matthew Gray Gubler who basically carries the movie. While he actually seems like a good actor and was able to add a flavor to his character that I couldn't tell that if it was just him shining through, the truth of the character or he elevated the character with a special twist, so this puts him on my to watch out for list.
The story itself is really lackluster. There are a lot of familiar faces, and the minute to minute is generally pretty entertaining, but the weirdness of finding a hidden kiddie coffin and trying to lay a ghost to rest gets weird when it's stretched over a long period of time without getting intense.
I'm all for different, and I can't call this bad, but there are so many other good things to watch instead.