In an interview with Fangoria magazine, the director assured readers that key scenes from the original movie, in particular the tower jump suicide, would be retained. This scene is absent from the theatrical version. However, the scene is present in the unrated version
In the film "Forgetting Sarah Marshall" also starring Kristen Bell, during the dinner scene, a movie very similar in plot to Pulse is talked about that Sarah was in. It is humorously referred to as a horrible movie with a ridiculous premise.