The listing, Dark Podval steam key has ended.
Dark Podval - indie puzzle game made in 2D graphics, where you have to go through the labyrinths of the basement, solving problems and collecting coins that you will need later.
Background:
In one city, in an abandoned residential building, into which you wandered by accident, there is a mysterious staircase leading down into the terrible darkness. Despite common sense and reason, you began to descend...
https://store.steampowered.com/app/1526780/Dark_Podval/