Resident Evil: The Darkside Chronicles, known as Biohazard: The Darkside Chronicles (バイオハザード／ダークサイド・クロニクルズ, Baiohazādo/Dākusaido Kuronikuruzu) in Japan, is an on-rails shooter video game for the Wii developed by Capcom and Cavia. The game was released for the Wii on November 17, 2009 in North America. It serves as a prequel to Resident Evil 4, setting 2 years before its events.