Here is the full list of all 20 Super Night Riders achievements.
Cleared the course 6.
Cleared the course 5.
Cleared the course 4.
Cleared the course 3.
Cleared the course 2.
Cleared the course 1.
Cleared the hanami stage.
Cleared the valley stage.
Cleared the canyon stage.
Get a score of 75K in one second.
Cleared the city stage.
Cleared the desert stage.
Cleared the forest stage.
Listened to all the music tracks.
Cleared your first stage.
Keep trying and pass the stage you previously failed on.
Keep trying after a game over.
Pass near a rival without crashing.
Cleared the course 1 to 6.
Cleared all the achievements. Congratulations!