Until Dawn is a 2015 interactive drama survival horror game developed by Supermassive Games and published by Sony Computer Entertainment. Players assume control of eight young adults who have to survive on Blackwood Mountain when their lives are threatened. The game features a butterfly effect system in which players must make choices that may change the story. All playable characters can survive or die, depending on the choices made. Players explore the environment from a third-person perspective and find clues that may help solve the mystery.