Dual N-Back
N =
s
Ready?
Every turn, a square flashes and a letter is spoken. Watch and listen for a repeat from 1 turns ago — not the current one. Tap Position when the square's spot matches, Sound when the letter matches. It gets harder as you go; missing some is normal.
🔊 Sound required — turn your volume up.
N =
Complete
N =
Best level reached
Rounds
Playing as a guest — this score isn't saved yet.