Climb your stairs to avoid all of the obstacles in this fun online game. Try to complete each level by reaching the finish line. Climb your remaining stairs to obtain a bonus. How high of a score can you achieve? Stair Run 3D,obstacle runner,climbing game,arcade game,hypercasual game,addicting game,high score,avoidance game,fun game,casual game,distance game,obstacle avoidance,climbing challenge,endless runner,mobile game,arcade,easy to play,challenging game