App Description

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.

Your brain becomes more active the more you play.
During your commute, before you sleep… enjoy downtime with brain training.

The rules are extremely simple.
Just fill in all of the blocks using only one line.

Use hints for puzzles that are too hard to solve.
Hints are also free, of course.

One-line puzzles are mathematical problems with origins in the early 18th century.

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!

iPhone Screenshots

(click to enlarge)

Snake Off-Fill the grey tiles screenshot 1 Snake Off-Fill the grey tiles screenshot 2

iPad Screenshots

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Snake Off-Fill the grey tiles screenshot 3 Snake Off-Fill the grey tiles screenshot 4

App Changes

  • November 08, 2016 Initial release