

While Mario Kart Tour features the same memorable characters and race tracks from the console games, the game has been redesigned to work on a touch screen and incorporates some popular monetization methods used by other free mobile games. In comparison, Nintendo's Super Mario Run had 7 million downloads during its first day on the App Store, and Nintendo's highest-grossing mobile title, "Fire Emblem Heroes," had 1.8 million downloads on launch day, according to data from SensorTower.

The game's rolling start shouldn't come as a surprise - Mario Kart is Nintendo's best-selling game on multiple consoles and Mario Kart Tour is free to install on iPhone and Android. More than 20 million players downloaded Mario Kart Tour when it launched on September 25, making it Nintendo's most popular mobile launch ever.
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