"Nintendogs" received critical acclaim, and won many awards, including the 2006 Innovation Award from "PC World" and Best Handheld Game from the Associated Press. All versions of "Nintendogs" have sold a combined 23.96 million copies worldwide, making it the second highest-selling game on the Nintendo DS, behind "New Super Mario Bros." Because of "Nintendogs" success, Nintendo has made several related products, including "Nintendogs" toys and a series of "Nintendogs" trading cards. A sequel, titled "Nintendogs + Cats", was released for the Nintendo 3DS in 2011.