Futoshiki
Fill the grid so every row and column has 1–N once, and obey the “greater-than” signs between cells. Deduce it from the inequalities and the few given digits. Fewer seconds is better.
Trains: Deductive logic · Category: Logic & Puzzles
How to play: Futoshiki 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 Futoshiki · All Brain Gym games