P.T. (acronym for "playable teaser") is a 2014 psychological horror game developed by Kojima Productions under the pseudonym "7780s Studio" and published by Konami. It was directed and designed by Hideo Kojima in collaboration with filmmaker Guillermo del Toro, and was released for free on the PlayStation 4.
P.T. served as an interactive teaser for the game Silent Hills, an installment in the Silent Hill series.