Tetsudou Nippon! Rosen Tabi - Aizu Tetsudou Hen (日本鉄道！路線旅～会津鉄道編～) is a Nintendo 3DS game developed by Arc System Works and published by Nintendo. It is a train simulation game that allows players to experience the world of railroads and railways in Japan. Players can take control of a variety of different trains, from freight to passenger trains, and travel through different areas of Japan. Players can also customize their trains with different parts and items, and take part in various events and activities. The game also features a number of mini-games, such as a fishing game, a shooting game, and a train-racing game. The game also includes a number of real-life railway companies, such as JR East, JR West, and JR Kyushu. Players can also take part in a variety of challenges and missions, such as delivering packages and passengers, or transporting goods. Tetsudou Nippon! Rosen Tabi - Aizu Tetsudou Hen is a great game for train enthusiasts and those who are looking for a unique and immersive experience of Japan's railways.