The background of this game is that subway commuters are usually crazy to compete or even fight with other people for entering a subway during the rush hours. In this game, as a subway commuter, you has to compete with different other commuters or even zombies in different game levels for entering the subway when it arrives. The game is interacted by fingers in touch screen. It has also tested for usabilities with different ages kids and adults. It is intuitive and funny game to play. Try it out!