My money's on a hoax (just ike The Da Vinci code...what a crap book that was)
Still I love things like this, a bit like all the Bad Wolf stuff and sites during the last Dr Who.
I await with interest.
EDIT: Just seen it's linked with Alisteir Crowley
Thata is a complete No in my book, so I wont be having anything more to do with this.
If it's anything to do with Satanism/freemasonry etc, I'm outta there a.s.p.
And no, it's NOT harmless fun.