It is time to train your brain and solve the best block puzzle. Sharpen your mind with a connect-the-block-style one-line brain training puzzle game.
fill in one line connect the blocks with one line - is easy and hard puzzle game simultaneously .


Drag 1 Line game rules are simple: Just fill in all of the square using only one line, avoid the wood block.
It's great for time filling and always keeps the brain working. The puzzles in this one line game can be hard or easy, but each one takes careful planning.

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.
You’re sure to get hooked on these puzzles!
4 class of difficulty: Beginner, Medium, Expert, Master. whopping 200+ levels.
Don’t get too cozy the puzzles get harder as you go along

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.

You'll train your brain with each level passed because the puzzles get harder as you go along. Are you up for the ultimate brain-training challenge?