Tap play, listen closely, then find the sound below. Categories come straight from the sound manifest — no invented difficulty ladder, just the sections you already see on the chart.
Score 0/0 · Streak 0Resets when you switch game, category, or reload — this is practice, not tracked progress.
Tap play, then find the sound below.
Listen to all, then tap the one that doesn't belong. Exactly one card is ever correct.
Cards are unlabeled — decide by ear.
Compare the two sounds.
Presentation:
Listen, then choose which of the two sounds you heard. Every trial is a minimal contrast — the two differ in exactly one dimension.