It is strongly implied that a woman is walking through a college campus naked, but no actual nudity is shown.

Several sexual references and innuendos throughout, including a student having a sexual relationship with her teacher.

A young woman is kicked off a third story window and falls to her death. We briefly see blood splashing everywhere as her corpse lies on the ground, with a puddle of blood underneath her head.

A man is immediately presumed dead after being stabbed behind his back.

A young man dies after his neck is viciously broken during an altercation.

A man dies after being shot and the bloody aftermath is briefly exposed.

A young man's corpse is discovered after being fatally stabbed during an altercation.

A man is brutally ran over by a speeding vehicle on the road.

A woman is fatally shot with an unconcealed gun.

The body of a murdered man is found by a young woman.

Whenever Tree dies, the camera always cuts away just before impact of the weapon. The overall graphic intensity is very tame due to the film's PG-13 rating.

The killer stabs the protagonist several times in different versions of the day.

The protagonist is seen falling with a rope tied around her neck which leads to her death.

The protagonist is seen getting a bat hit at her head, she falls, and wakes up reliving the same day.

1 use each of "fuck", "shit" and "bitch", among other milder profanities.

A woman takes Tylenol a few times for a headache, including one time where she consumes several pills at once.

The horror is lightened up by the comedy throughout this film, and ome of the deaths and situations are even played for laughs.

A few jump scares throughout.

While the film is a horror comedy at its base, the atmosphere is quite tense and menacing, as it deals with a young woman trapped in a "Groundhog Day"-like scenario as she tries to uncover the identity of the person who killed her on her birthday. While this is all mostly done in a hilarious fashion, the premise alone can be a bit much for some.

The unknown killer wears a mask that could potentially be frightening to many.