**_Stuck in the rundown cabins-from-hell on a rainy night in the Deep South_** An aged woman with mental issues runs a dilapidated motel consisting of singular huts in southwest Arkansas. On one stormy night, her seven guests face several weird challenges as they try to figure out what’s going on. “Mountaintop Motel Massacre” (1983) is an arcane slasher with bits inspired by “Psycho,” “Black Christmas” and the first two “Friday the 13th” flicks mixed with the general Southern Gothic tone of “Squirm” and “Eaten Alive.” It’s more focused on eerie mood than buckets of gore with enough intere...