Research firm Sensor Tower this week said Nintendo Co., Ltd.’s Mario Kart Tour for iOS and Android devices recorded 90 million downloads in the first week of release.

The firm estimates 53.5 million downloads on Android and 36.5 million downloads on iOS.

By comparison, Animal Crossing: Pocket Camp held 14.3 million downloads in its first week, and Super Mario Run held nearly 13 million downloads in its first week of release.

Mario Kart Tour is a free-to-start kart racing title that includes trademark characters, karts and gliders, and new courses based on real-world locations.

The final game includes Frenzy mode to grant a temporary unlimited supply of a certain item and invincibility.

A Nintendo Account is required to play Mario Kart Tour.