Kaku: Shikaku Logic Puzzle

About Kaku: Shikaku Logic Puzzle

Kaku: Shikaku Logic Puzzle invites you to divide a grid into rectangles, each containing exactly one number that matches the rectangle’s area. With thousands of levels ranging from simple to challenging, this logic puzzle sharpens your problem-solving skills as you work to fill the board completely without overlaps or gaps. Players can enjoy daily puzzles and track their progress through an evolving IQ score. Whether you’re new to Shikaku or looking for complex boards to test your reasoning, Kaku offers a thoughtful and engaging experience that quietly stretches your mind one puzzle at a time.

How to Play

Drag on the board (hold the left mouse button or swipe with your finger) to draw a rectangle. Each rectangle must contain exactly one number, and the number must match the count of cells it covers. Tap a placed rectangle to remove it. Fill the entire board with no gaps or overlaps to clear the stage. Stuck? Use a hint to reveal one correct rectangle. Your IQ score grows with every clear — climb the leaderboard!