Digimon World Dawn (デジモンストーリー サンバースト Dejimon Sutōrī Sanbāsuto?, lit. "Digimon Story Sunburst") and Digimon World Dusk (デジモンストーリー ムーンライト Dejimon Sutōrī Mūnraito?, lit. "Digimon Story Moonlight") are two separate but related Digimon video games for the Nintendo DS handheld game console. They were released in Japan on March 29, 2007. The games' English names were officially confirmed on May 16, 2007., and they were officially released on September 18, 2007.