N-Back Memory

Watch the 3×3 grid — a square lights up each round. Press MATCH (or Space) when the current position equals the one from n steps back. 20 rounds per level — accuracy ≥75% to level up from n=1 → 2 → 3. Missed matches and false alarms hurt accuracy.

N-Level

Score

Accuracy

—

Round

0/20

Best Acc

—

N = 1 • Level 1

Waiting to start

Tap START to begin

If it's not a match, do nothing and wait for next light. First n rounds can never be a match.

🧠 How to Play

n=1: Press MATCH if current square = previous square.
n=2: Press MATCH if current = position from 2 steps ago.
n=3: Hardest — remember 3 back.
20 rounds per level. 500ms flash, ~1.2s to respond.
Accuracy ≥75% levels you up. Best saved locally.

Best: —

⌨️ Controls

Space = Match R = Restart M = Mute

On touch, tap the big MATCH button. You can also tap grid to focus but response is only via button/Space.

📊 Live Stats

Targets Hit

0/0

False Alarms

Tip: don't press on every round. Hold n positions in mind. Visualize the grid.

About N-Back

📁 Puzzle 🎯 Difficulty: Hard ⏱️ Duration: 2–4 min ⚡ Instant Play (No Download) 📱 Desktop & Mobile

📖 How to Play & Objective

Scientifically proven working memory focus exercise.

Analyze the board state and plan your sequence of moves.
Complete the puzzle objectives in minimum moves or against the clock.
Use logical deduction rather than trial-and-error guessing.

🎮 Controls Guide

💻 Desktop:

Mouse click or Arrow keys to select ; Enter or Space to confirm move

📱 Mobile:

Tap tiles or drag pieces directly onto target grid positions

💡 Tips & Strategy

Work backwards from the desired final pattern or target state.
Eliminate impossible configurations first to narrow down valid moves.
Take your time; there is no penalty for careful strategic thinking.

N-Back Memory

About N-Back

📖 How to Play & Objective

🎮 Controls Guide

💡 Tips & Strategy

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