Smash Bros has only been out for 4 days, and has already sold 1 million copies to date. According to IGN
“Nintendo has announced Super Smash Bros. on 3DS enjoyed over 1 million sales in its opening Japanese weekend.
The figure, which combines both retail and download numbers for the brawler, paint a positive picture for the company ahead of the Wii U release of the title later this year. Nintendo also noted that 1 million physical copies of the game have been shipped to retail stores”
You smell that? It smells like success.