In the exciting new game Stair Run, you will go into a 3D world and take part in an exciting running competition. Before you on the screen you will see a path that will hang over a deep abyss. Your character will be at the beginning of the path. At the signal, he gradually picking up speed will run forward. On the way it will come across various obstacles and objects scattered on the road. You cleverly controlling your hero will have to dodge all the obstacles located in your path. You will have to collect items of a certain color scattered on the road. To do this, simply click on them with the mouse and thus move these objects to the inventory.