Numbrix

Fill the grid so the numbers 1 to N run in one unbroken chain — each number sits next to the one before and after it, left/right/up/down. A pure logic path puzzle. Fewer seconds is better.

Trains: Sequential logic · Category: Logic & Puzzles

How to play: Numbrix is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

Play Numbrix · All Brain Gym games