Lv 1 · Bronze
Two tones. Was the second one higher or lower?
The gap shrinks as you sharpen. Tap left for lower, right for higher. 🎧 headphones recommended.
🔊 Quick sound check
This game is 100% by ear — no sound, no fair score.
Your first patrol finds your level: the gap tightens on purpose — hitting your ceiling IS the measurement. You can't fail a calibration.
🔓 Next unlock at Lv 12: Roving register — Tones wander across a much wider pitch range — no home base to lean on