Tokyo Gore School (2009)

Seiji Hasumi is a popular English teacher in a private high school. He is also a violent and sociopathic killer who concocts an extreme plan to deal with the rise of bullying and bad behavior among the student body.

Six high schoolers stuck in a murderous time loop must find the scattered remains of an unknown victim to break the curse and finally see another day.

The story follows Nozaki Haruka, a middle school student who transfers to a new school in a small town because of her father's work. Unfortunately, she becomes a victim of horrific bullying, but since the school will be closing in 2 months after graduation, no one is willing to help her.

Desperate to help her ailing brother, a young woman agrees to compete in a deadly game of "Would You Rather" hosted by a sadistic aristocrat.

The chilling and relentless Jigsaw killer returns to terrorize the city once again. When a gruesome murder victim emerges with unmistakable traces of Jigsaw's sinister methods, Detective Eric Matthews is thrust into a high-stakes investigation. To his surprise, apprehending Jigsaw seems almost too easy, but what he doesn't realize is that being caught is merely another piece of Jigsaw's intricate puzzle.

When students in their high school begin inexplicably exploding (literally), seniors Mara and Dylan struggle to survive in a world where each moment may be their last.

Twelve strangers wake up in a clearing. They don't know where they are—or how they got there. In the shadow of a dark internet conspiracy theory, ruthless elitists gather at a remote location to hunt humans for sport. But their master plan is about to be derailed when one of the hunted turns the tables on her pursuers.

Four friends search for the answers to a series of deadly text messages killing students at their high school.

A misfit group of unwitting high school students stumble upon a cursed object, an ancient Aztec Death Whistle. They discover that blowing the whistle and the terrifying sound it emits will summon their future deaths to hunt them down.

A group of high school outcasts get revenge on the students that torment them.