Of all the ingredients that go into the recipe of a good slasher movie, a compelling and menacing killer is the most important. Freddy Kruger, Jason, Michael Myers, Ghostface all have their own je ne sais quois. With b-movies, you need a premise that will hook the audience early and keep them invested. With Vicious Fun, director Cody Calahan drops an 80s kid into a room with half a dozen archetypal killers having a support group meeting.
I’d say that qualifies as both.