The Legend of Zelda: Tears of the Kingdom also moves up the rankings, overtaking Super Mario Party to reach eighth place.
Masahiro Sakurai – the creator and director of the Super Smash Bros. series – has revealed that he has been working on his next project for over two years.
The Legend of Zelda: Tears of the Kingdom has also reached 20.80 million units sold since launching last year for Nintendo Switch.
Along with its Wii U version, Nintendo's acclaimed kart racer has sold 70.43 million units since first launching in 2014.
Available for five days, the new Spirits will bring characters from Splatoon 3, Pikmin 4, The Legend of Zelda: Tears of the Kingdom, and Xenoblade Chronicles 3.
Launching this month, it will be accompanied by several other deals and discounts for the Holiday season.
Famitsu's newest sales chart for September shows Nintendo dominating game sales, followed by FromSoftware.
Meanwhile, Animal Crossing: New Horizons stands at 42.79 million units sold, while Super Smash Bros. Ultimate has risen to 31.77 million units.
Masahiro Sakurai also says he "can’t really imagine a Smash Bros. title" without himself at the helm as things stand right now.
Animal Crossing: New Horizons remains in second place, with 42.21 million sales in the three months ending March 31st, 2023.
Pokemon Scarlet and Violet sold 20.61 million units as of December 31st, 2022, and are Nintendo's seventh best-selling first-party titles.
Nintendo has provided for the ten best-selling first party titles on the Nintendo Switch, including Smash Bros., Zelda, Pokemon, and more.
Other noteworthy figures include Super Smash Bros. Ultimate with 28.82 million sold and The Legend of Zelda: Breath of the Wild at 27.14 million sales.
Nintendo has provided updated sales figures for the top 10 best-selling first party-published Nintendo Switch titles to date.
Pokemon Sword/Shield sells 23.90 million; is now the series' 2nd best selling title. Pokemon Brilliant Diamond/Shining Pearl sales at 13.97 million.
Characters like Donkey Kong, Link, Peach, Daisy, Mewtwo, Ice Climbers, Falco, and much more see changes in this patch.
Updated sales figures for The Legend of Zelda: Breath of the Wild, Super Smash Bros. Ultimate, and various other first party Switch titles have also been revealed.
"If we’re going to continue with the series, Nintendo and I need to discuss and seriously consider how to make it a success," says Masahiro Sakurai.
New Kingdom Hearts Spirits like Riku, Kairi, Aqua, Roxas, Ventus, and more have also been added along with a few new Mii costumes.
The Kingdom Hearts protagonist has been one of the most requested characters for a Smash game for years, and now caps off support for Ultimate.