The listing, The Lost Valley [steam key] has ended.
http://store.steampowered.com/app/360890/
The Lost Valley is a small game in which you play as a cyclist who had an accident.
The main character gets into a great valley, called "Lost Valley". Bike broke down, falling off a cliff, and the main character is forced to move on foot.
He will need to find a way out of the valley and reach the shore to find the boat. In the game there are two options surroundings: summer and winter.
If you are tired of zombies and shootings and you want a place to enjoy the incredible beauty of nature and atmosphere - then The Lost Valley this is the game you need.