Here is Orlando, city of “Halloween Horror Nights,” home to “Phantasmagoria,” we know a thing or two about spooky live events.

We’ve never had a Halloween “get your fight on” invaded by a spree killer, but otherwise “Hell Fest” has the ring of the familiar, the chill of “What COULD go wrong?”

CBS and Lionsgate didn’t preview this one for critics, but ah — “Hell Fest” opens tonight. So let’s see if they were protecting its secrets or hiding a dog from those who would name it thus.