Dual N-Back
A free, widely studied working-memory trainer where you track two simultaneously shifting sequences at once, with difficulty that adapts as you improve.
No account needed · sign in to keep your taste everywhere
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.