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Welcome to Kaku! Divide the grid into rectangles — every rectangle holds exactly one number, and that number is how many cells it covers. Simple to learn, hard to put down. • 2,000 handcrafted puzzles across Easy, Normal, Hard and Expert • Every puzzle has one unique solution — no guessing, ever • A new Daily Challenge every day, with monthly trophies to collect • Track your progress with brain stats and IQ • Play offline, at your own pace. No timers.
Draw rectangles to match each number. A calm logic puzzle with no timers.
Divide the grid into rectangles. Each rectangle must contain exactly one number, and its area must equal that number. Drag to draw a rectangle and fill every cell to solve the puzzle. It takes seconds to learn and logic to master. ■ Calm, pure logic - No timers, lives, or mistake limits - No ads interrupting a puzzle - Every puzzle has one verified solution ■ 2,000 puzzles - Easy 5×5, Normal 7×7, Hard 9×9, Expert 12×12 - 500 puzzles at each difficulty ■ More to enjoy - Daily Challenge, monthly trophies, and streak calendar - Brain rank and Spatial, Logic, Focus stats - Helpful hints and clear feedback - 14 languages and full offline play Find your quiet hour of logic in Kaku.