Hyrule Warriors: Age of Calamity just came out four days ago, but it's already the best-selling game in Koei Tecmo's long-running Warriors franchise, according to a Siliconera translation of a Famitsu report.
Age of Calamity, which serves as a prequel story for the mainline Zelda title Breath of the Wild, has already shipped 3 million copies globally, including physical copies sold into retail channels and downloaded copies of the game sold.
Hyrule Warriors: Age of Calamity ships 3 million | GamesIndustry.biz