Kaidō Battle 2: Chain Reaction (known as Kaido Racer in Europe, published by Konami in Europe) is a racing game that is the sequel to Kaidō Battle: Nikko, Haruna, Rokko, Hakone, containing all the tracks and gameplay elements of that game and new content. The game also supports the GT Force steering wheel and pedal set. It is best known for not being released in North America. The reason has not been disclosed.