Gridoku: Number Logic Puzzle

Numbers into rectangles. Three simple rules, endless depth.

Gridoku is a minimal logic puzzle: wrap each numbered cell in a rectangle whose area matches the number, and divide the whole board with no gaps. Ten seconds to learn, hours to put down.

▶ How to play

· Drag across the board to draw a rectangle around a number.

· Each rectangle holds exactly one number; its area (cell count) must equal that number.

· Cover every cell and the level clears automatically!

▶ Features

· One-drag controls — no tutorial needed

· Boards that grow as you level up (5×5 up to 12×12, 144 cells)

· Warm paper-and-ink design, each piece filling in its own soft tint

· Gentle haptics, smooth animations, and calm background music

· Chase your best time on every level and top the Hall of Fame

· No ads · No internet required · No data collected

▶ Made for

· Fans of Sudoku, Shikaku, and logic puzzles

· Quiet focus on your commute or before sleep

· A relaxing brain workout with real "just one more" pull

Clear your mind with numbers and rectangles — start now.