Choose a difficulty, set the tempo, and tap along. Falling notes show you what to play, and every tap is scored on timing accuracy.
Notes fall down the highway toward a hit line. Tap (spacebar or click) when a note reaches the line. Your timing is classified as Perfect (<25ms), Great (<60ms), Good (<120ms), or Miss.
Your trainer level (1 to 30) advances when you maintain 90%+ accuracy across your recent sessions. Each level unlocks more complex rhythmic patterns. 30 days of inactivity decays one level.
Start with Level 1 at a slow tempo. Focus on locking in with the metronome click before increasing difficulty. Accuracy matters more than speed.