You earn Asphalt Credits by racing in different game modes. Note that the number of credits won in Career depends on your position and the number of Stars earned in Career Mode.
By contrast, Quick Solo Race and Local Wi-Fi Race are two game modes where all locations are available, but where there are no Asphalt Credits to gain.
By contrast, Quick Solo Race and Local Wi-Fi Race are two game modes where all locations are available, but where there are no Asphalt Credits to gain.