The Apple version of the game (for iPhone, iPad and Apple TV) supports online multiplayer, as well as asynchronous multiplayer with the "VR Challenge" leaderboard mode.

The Google Play, Amazon and Windows versions of the game do not support online multiplayer, but they do support asynchronous multiplayer with the "VR Challenge" leaderboard mode.

Note that the Kids+ Amazon version does not support any online racing or leaderboard racing. But you can still enjoy the Career mode!