Genvid have previously released othermassively interactive live eventson Facebook, with events based on The Walking Dead andPac-Man.
Essentially, this sounds like amultiplayerchoice-based game a la the voting modes in Telltales old stuff.
Or maybe something like Twitch Plays Pokemon.

In Silent Hill: Ascension the actions of millions will determine the outcome, reads a recent press release.
By the time the last scene streams, which characters have survived?
In contrast, Ascensions first trailer begins with the sledgehammer statement: I can feel it.

Your guilt… so thick it chokes the air.
Konami are working hard to revive their survival horror series through other projects too.
Bloober Team are remaking the most beloved entry,Silent Hill 2.
The folks behind the great Observation are leaning into the series hazy mysteries withSilent Hill: Townfall.