The listing, Gridberd [steam key] has ended.
http://store.steampowered.com/app/371210/
Each house holds many terrible secrets. They are not easy to solve, and the answers sometimes only lead to more questions. But what to do when these answers affect your life?
Game GRIDBERD is an action-horror first person in which you have to solve the terrible secret of the old mansion of Johnson. Who are you? How did you get here? What the hell happened? And who is this mysterious phantom who longs to kill you and is already sharpening his axe?
Walk around the old ancestral mansion, look in the most secluded and most mysterious corners and learn the secrets that it holds. Uncover crumbs of information from the past and from the history of this place. Open secret passages, solve puzzles, and skillfully avoid traps that have prepared for you in the old castle. Run away and hide from his ruthless creatures who can not wait to get to you. And remember - behind every corner you wait horror and fear, and the fact that you will find forever can change your life. So just to run will not work! The story is just beginning, follow it to the end!