Sharpen your mind with a connect-the-block-style one-line brain training puzzle game.
A simple but addictive one-line puzzle game that’s completely free to play.
One-line puzzles are mathematical problems with origins in the early 18th century.
First posed in Königsberg, the original puzzle revolved around the town’s Pregel River.
During your commute, before you sleep… enjoy downtime with brain training.
Mathematical thinking is said to increase work efficiency and prevent aging.
Whether math is your bane or your forte, be sure to give this game a try.
Don’t get too cozy—the puzzles get harder as you go along.
Just fill in all of the blocks using only one line.