There isn't a lot of horror anime out there so it's good to see someone actually tackling it. However, I'm not sure the execution of this came off too well. I've never played the game either, so this is going purely off the show.
The show's plot was pretty straight-forward -- a group of school kids get sucked into a haunted school to face the ghosts of a whole group of murdered children and are faced with crazy horrible situations, resulting in them having to find out the real mystery behind the murders in order to qualm the spirits and get back to their world.
I found it mostly entertaining but I couldn't help but feel that most of the time, the show just stuck gore in there for the sake of it. It felt really manufactured and almost out of place. They took every opportunity to just feel that they were trying to be edgy and I felt that it distracted from any real scariness or spookiness that they had a good opportunity with the plot to play off of.
The character's reactions to the world were perhaps the most annoying part of the show. Every reaction to every situation seemed completely unnatural and bizarre. Half the time, they seemed to be completely unaffected by the fact that they were hurled into this crazy netherworld and half the time, their reactions were completely over the top, followed by another dead-pan reaction. It was really strange.
All-in-all, I found it pretty entertaining for 4 episodes but I am convinced that I wouldn't be able to handle more than that if it had dragged for even 10 episodes.
