Block Fill - One Line Puzzle

Stimulate your mind with a connect-the-block-style one-line brain training game. This simple yet addictive puzzle game is completely free to play. The more you engage, the sharper your brain becomes. Enjoy it during your commute, before bed, or in any spare moment to keep your mind active. The rules are straightforward: fill in all the blocks using just one continuous line.

One-line puzzles have their roots in mathematical problems from the early 18th century, involve navigating the town’s river. Engaging in mathematical thinking is believed to boost work efficiency and slow down aging.

Whether you’re a math enthusiast or not, give this game a try you’ll likely become addicted to solving these intriguing puzzles!