Keys to Eternity

A mystical detective story with a creepy atmosphere, mysteries, and unexplained deaths: unravel the secret of the cave's curse!

For the members of the spelunking club, the twenty-first day of the month has become cursed.
Three months ago, a mysterious client commissioned... them to retrieve a box with an ancient key from the cave and imposed a strange condition that the group violated. And now, once a month, the members of the expedition die one by one.
Out of six, only three remain: Olya, Kostya, and Matvey. Next month, one of them will die. And the one chosen will not be able to cheat death.
The survivors decided to return to the cave where it all began. And they discovered that the villagers from the village where they stayed three months ago had vanished somewhere…