Hi.Thisisagameonthetrain.Andapuzzlegame.Arailroadtrackonthetrainislinked.ArailroadofJapancanbeexperienced.Thereisstrangepleasure.Pleaseplayonce.Evenachildcanplaysurely.<Gameintroduction>http://www.atforest.com/app/densyapuzzle/index.html[ver1.0.4]?Fixedabug