Looks like there is a new hunt due to get underway in Oct 2017 called 'Hidden Secrets'. According to the Website, they will be releasing pages of a journal every day over the course of a month which reveal the clues needed to locate the hidden treasure. The first player to find it on a virtual map will win.

It appears to be a mobile text-based adventure which involves riddles, clues, interactive puzzles and cryptography. But ultimately it is a race to win cash up to $100,000 USD.

You can read all about it and sign up to the hunt here: