📖 How to Play & Rules – Dual N-Back
- Every 2.5 seconds, a square illuminates on a 3×3 grid while a letter stimulus appears.
- At 1-Back: Indicate if the position or letter matches the immediate previous trial.
- At 2-Back: Indicate matches that occurred exactly TWO trials earlier.
- Each block consists of 20 trials with precision hit/miss scoring.
💡 Strategy Tips & Tricks
- Start with 1-Back to master the rhythm before stepping up to 2-Back.
- Keep updating your mental buffer continuously as each new stimulus arrives.
Free & 100% Local In-Browser Gameplay
This game runs 100% locally in your browser with zero server latency. No download, no account registration, and no app store installs required—fully optimized for mobile, tablet, and desktop with touch and keyboard controls.
❓ Frequently Asked Questions (FAQ)
What does cognitive science say about N-Back?
Studies indicate regular Dual N-Back exercise strengthens prefrontal cortex connectivity and fluid problem-solving abilities.
How long is a training session?
Just 1 to 2 sessions (about 5 minutes) daily provides measurable cognitive benefits.