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I really enjoy them, I've seen a few over the past couple of years but I'm usually a bit late to the party. It's nice to catch one while it's still on-going. It's a really novel way of telling a story, similar to an ARG.

For me this is totally new ... where have I been the last years? ;) ...I'm so amazed by this idea

It's totally new to me too! Interesting stuff thanks John

I tend to find them through YouTube, I'll try and find the two best channels for this kinda horror and get back to you.

Managed to find a couple, there's Nightmare Expo: https://www.youtube.com/channel/UCpFFItkfZz1qz5PpHpqzYBw

and ReignBot: https://www.youtube.com/channel/UCchWU8ta6L-Dy3rGIxPINzw

If I find anymore I'll let you know

Wow thank you!! I'll take a look at it.