Stair Run Online is an adventure running game. You need to collect bricks. Build stairs across the obstacles with bricks. Avoid the red zone. It is easy and funny. You will meet kinds of obstacles, try to take over them. Collect as many bricks as you can. When you climb the top of the mountain in the end, you could earn a lot of coins. Stair Run Online, running game, adventure game, brick collecting, obstacle course, 3D game, arcade game, high score, kids game, skill game, run, climbing, mountain, coins, avoid obstacles, collection, gameplay, tap to build, mobile game, free game, challenge, fun