参考

Forza Motorsport 4 - 515,859
Forza Horizon 3 - 406,753
Forza Motorsport 5 - 350,588
Forza Horizon 2 - 328,101
Forza Horizon - 316,820
Forza Motorsport 2 - 228,684
Forza Motorsport 6 - 221,042
Forza Motorsport 3 - 209,389
Forza Motorsport 7 - 176,150