A very interesting mystery!
I probably say this all of the time, but I think it'd be very good if there are walkthroughs for these games - Can't find them on Youtube and at some points it's getting a bit too convoluted.
Otherwise the game itself is pretty solid - I like most of the artwork, music is neat , easter eggs and jokes are funny, and the atmosphere is just about serious enough - not too much, not too little. Neat!