One of these contacts was Lawrence Grey, a Producer who wanted to adapt Lights Out into a feature-length film. Grey brought Screenwriter Eric Heisserer and Producer James Wan on board to collaborate and produce a script with Sandberg, who would also direct the new feature. The film (also titled Lights Out) began production in mid-2015, and premiered at LA Film Festival in June 2016. The film was a massive box office success, grossing $148 million on a $5 million budget, and a moderate critical success, earning a 76% approval score on Rotten Tomatoes and a 58 out of 100 score on Metacritic.