What's New

make some optimization

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)

Fill- Square it! Block! Hexa Puzzle Game screenshot 1 Fill- Square it! Block! Hexa Puzzle Game screenshot 2 Fill- Square it! Block! Hexa Puzzle Game screenshot 3 Fill- Square it! Block! Hexa Puzzle Game screenshot 4

iPad Screenshots

(click to enlarge)

Fill- Square it! Block! Hexa Puzzle Game screenshot 5 Fill- Square it! Block! Hexa Puzzle Game screenshot 6 Fill- Square it! Block! Hexa Puzzle Game screenshot 7 Fill- Square it! Block! Hexa Puzzle Game screenshot 8

App Changes

  • July 30, 2016 Initial release
  • August 13, 2016 New version 1.1.0
  • November 05, 2016 New version 1.5.0
  • November 10, 2016 New version 1.6
  • November 15, 2016 New version 1.6.1