Reversed (R) is used for playing the track in reversed mode, which means the car is traveling in a direction opposite of the original track.
To activate the reverse mode of each track, you need to beat the time in mirror mode of the track or just using "Tracker" cheat code
In order to choose reverse mode, you need to press "down"
- Reverse mode is a propetie of the stock track, for some reasons, it's disabled in custom tracks, but Phoenix has make them back