Microsoft Corp. this week said Forza Horizon 4 for the Xbox One held two million players in the first week of release.
In addition, users have logged 822.7 million miles.
Forza Horizon 4, set in Britain, includes more than 450 cars, dynamic seasons, and a shared open world.
The final game includes new gameplay modes, player houses, and new showcase events.
A new Route Creator function will be released Oct. 25.