Number Sort: Logic puzzle

At the end of a hectic day, the moment your mind settles with nothing but numbers and rectangles. Here's a logic puzzle with a single rule and endless depth.

Shikaku is a classic logic puzzle where you divide a grid into rectangles, guided by number clues. Each rectangle holds exactly one number, and that number must match the number of cells the rectangle covers. Fill the whole board with no overlaps and no gaps to clear it! With no timer and no pressure to be right, enjoy the focus of solving one cell at a time, powered by pure logic.

■ Features
· A simple rule, deep focus — the number is the area; one rule, endless solutions
· The thrill of logic — that satisfying click when the very last cell falls into place
· A surprise reward — clear certain levels and a cute picture pops into view
· Timer-free, relaxing play — calm and unhurried, at your own pace
· Brain teasers that grow — start on small boards and work up to wide, tricky grids
· Hints when you're stuck — a booster that nudges you to the next move, stress-free
· Offline support — play anywhere, no internet needed

■ How to Play
Check the number → group that many cells into a rectangle → keep exactly one number inside each rectangle → fill the board with no gaps to clear the level!

■ Perfect for
· Anyone who loves logic puzzles like Sudoku and Nonogram
· Anyone looking for a calm, absorbing game with no timer pressure
· Anyone who wants to wake up their brain in a spare moment
· Anyone who wants to sharpen their observation and reasoning

It looks simple, but it's a true logic puzzle where one wrong move changes everything. Don't rush — think it through and fill in one cell at a time, and the cute picture that appears on your finished board adds a little extra joy. Enjoy some clear-headed time with Shikaku.

Recent changes:
Improvements to the overall game experience.