Shikaku

Challenge your mind with a classic logic puzzle that's easy to learn but endlessly satisfying to master. Your goal is simple: divide the grid into rectangles so that every numbered clue sits inside exactly one rectangle, and the number matches the area of that rectangle. No guessing required, just pure deduction. Every puzzle has a single unique solution, so you can always rely on logic to find your way through. Whether you have five minutes on a break or an hour to unwind, there's always a satisfying grid waiting for you. WHY YOU'LL LOVE IT - Pure logic, no luck. Each puzzle is solvable through reasoning alone. - Clean, distraction-free design that keeps you focused on the board. - A gentle learning curve that quickly builds into a serious mental workout. - Perfect for quick sessions or long, relaxing play. CHOOSE YOUR CHALLENGE Start with the difficulty selector and pick the grid size and complexity that fits your mood. Beginners can warm up on smaller boards, while veterans can test themselves on large, intricate grids packed with clues. As you improve, step up to tougher puzzles and watch your deduction skills sharpen. HOW TO PLAY 1. Look at the numbers scattered across the grid. Each one tells you the area of a rectangle. 2. Draw rectangles so that every clue is contained in exactly one rectangle. 3. Make sure each rectangle covers a number of cells equal to its clue. 4. Rectangles cannot overlap, and every cell must belong to exactly one rectangle. 5. Fill the whole grid correctly to reach the Solved screen and celebrate your win. Simple rules, deep gameplay. The more you play, the more patterns and strategies you'll recognize, turning tricky boards into satisfying moments of clarity. RELAX AND FOCUS There's something calming about dividing a grid into neat, orderly rectangles. The quiet satisfaction of placing the final piece and seeing the whole board click into place makes every puzzle rewarding. It's a great way to relax, unwind, and give your brain a healthy workout at the same time. GREAT FOR EVERYONE Fans of number puzzles, grid logic, and brain teasers will feel right at home. If you enjoy filling grids, spotting patterns, and solving puzzles that reward careful thinking, you'll find plenty to love here. No time pressure, no ads getting in the way of your focus, just you and the grid. KEY FEATURES AT A GLANCE - Multiple difficulty levels and grid sizes - Uniquely solvable puzzles every time - Intuitive touch controls for drawing rectangles - Minimalist, easy-to-read interface - A rewarding Solved screen for every completed board - Endless puzzles to keep your mind engaged Download now and start dividing grids into perfect rectangles. Train your logic, challenge yourself, and enjoy a puzzle experience that keeps you coming back for just one more board.