Shikaku: Divide the Grid

Slice the grid into rectangles. Every rectangle must hold exactly one number — and that number must equal its area.

Shikaku is a Japanese geometry-logic puzzle with a single elegant rule. The numbers are the anchors; everything between them is your decision. A 6 can become a 1×6 strip, a 2×3 block or a 3×2 slab — but only one arrangement covers the grid perfectly, and finding it is the whole pleasure.

Every board has exactly ONE solution. You never guess: a number whose rectangle could only fit one way is a gift, and each placed rectangle shrinks the choices around it.

FEATURES • 150 hand-verified levels from 5×5 to 12×12 • Live area counter while you drag — 3×4 = 12 before you let go • Completed rectangles tint by size; the board becomes art • Free daily puzzle every day, with a streak to protect • Hints, undo, shake-on-error and a timer that pauses when you leave • Endless random grids and a 30-day daily archive with Premium • Play offline. No accounts, no ads.

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