Simple and clean.
Simple character design, but you made it work, good lighting, good scene transitions, good effects, good blood.
But their's no point to it, it feels like you just tried to put the most hardcore shit possible into it...
"Hmm... what would be dark and scary for a title... Asylum?"
Ok let's just kill some stuff in cool and interesting ways.
It's still good, but it lacks nutrition, it just tastes good.