MIAZMA or the Devil’s Stone is the second installment of Jonathan Hunt Adventures, after award-winning PC interactive movie Yoomurjak’s Ring. The game’s extended storyline was also published as a novel, co-authored by MIAZMA game designer Pierrot and Endre Gábor.

After solving the mystery of Yoomurjak’s ring, Jonathan Hunt, the American journalist decides to settle down in Hungary. His previous adventures have earned him reputation as a successful investigator in highly sensitive cases. This time he is approached by a nuclear research institute to throw light upon a disappearance, but the quest becomes a hunt for a most peculiar meteorite that fell on earth centuries ago.

Miazma was published with the support of the Institute for Nuclear Research of the Hungarian Academy of Sciences (Atomki). Currently both the game and the book are available in Hungarian.