Kaku: Shikaku Logic Puzzle

Divide the grid into rectangles. There is just one rule — each rectangle holds exactly one number, and its area equals that number.

Drag to draw a rectangle. Fill every cell and the puzzle is solved. Ten seconds to learn, much longer to master.

■ No rush, ever · No timers · No mistake limits · No lives · Ads never interrupt you mid-puzzle · Soft colors and calm music, easy on the eyes

■ 2,000 handcrafted puzzles · Easy 5×5 · Normal 7×7 · Hard 9×9 · Expert 12×12 · 500 puzzles per difficulty, every one with a single verified solution · Guessing will not get you through. Pure logic always will

■ A new challenge every day · Daily Challenge unlocks a fresh puzzle each date · Complete a full month to earn that month's trophy · Track your streak on the calendar

■ Watch your mind grow · Brain rank rises as you solve — six tiers from Beginner to Legend · Spatial, Logic and Focus tracked separately · See your weekly growth at a glance

■ When you get stuck · A hint opens one rectangle to get you moving again · Tap any placed piece to remove it · Clear feedback tells you exactly why a move is not allowed

■ Made for you if · You want something quiet to think about before bed · You enjoy Sudoku, Nonograms or Picross · You are tired of games that rush you

Available in 14 languages. Plays fully offline.

Find your quiet hour of logic in Kaku.