Has any other demo had the impact of Hideo Kojima's genre-redefining PT? That stunning playable teaser for the scrapped Silent Hills may be a decade old now (sorry, yes, that made me feel ancient, too ...

A single developer has dedicated himself to creating what he describes as a "spiritual successor" to the PT-like horror game Allison Road, for the last two years. It's called Supernormal, it's powered ...