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• Recto Pro is here: an optional one-time purchase removes all ads between levels — pay once, play calm forever
Recto (Patches): calm Shikaku logic puzzles. Draw rectangles, fill the grid.
Recto — also known as Patches — is a calm, relaxing Shikaku puzzle game, the classic Japanese logic puzzle also known as "rectangle division" or Sikaku. Every grid is scattered with numbered clues: draw rectangles so each one contains exactly one number, and its area matches that number. Cover the whole board with clean rectangular patches and the puzzle is solved. If you love Sudoku, Nonogram (Picross), Kakuro, or other number and logic puzzles, Shikaku will feel instantly familiar — easy to learn in seconds, deeply satisfying to master. WHY YOU'LL LOVE THIS SHIKAKU PUZZLE • 1,150 handcrafted logic puzzles across 5 difficulty levels — Baby, Easy, Medium, Hard, and Expert — from gentle 4x4 grids to demanding 18x18 boards • Targeted hints — tap the square you want solved and its rectangle is revealed, so a hint never goes to a corner you had already worked out • Undo any move, track your solve time, and celebrate every win with a satisfying completion animation • Daily and weekly missions — solve without hints, beat the clock, keep a run flawless — paying out XP and hint tokens, with levels, ranks and tiered achievements to climb • Cloud save with Google sign-in (Google Play Games), so your puzzle progress follows you across devices • Play in 46 languages, including Turkish, English, Spanish, Portuguese, French, German, Italian, Dutch, Polish, Czech, Ukrainian, Russian, Arabic, Hebrew, Hindi, Bengali, Tamil, Telugu, Urdu, Thai, Vietnamese, Indonesian, Malay, Chinese, Japanese, and Korean • 100% free puzzle game — extra hints unlock by watching a short rewarded ad; no subscriptions, no purchases required A BRAIN GAME THAT RESPECTS YOUR CALM No clutter, no pressure. Just clean grids, smooth drag-to-draw patches, and the quiet click of logic falling into place. Perfect for a quick brain teaser on a coffee break or a long, mindful puzzle session. HOW TO PLAY SHIKAKU 1. Look at the numbered clues on the grid 2. Drag to draw a rectangle around each number 3. Each rectangle's area must equal its number 4. Fill the entire board with patches to solve the puzzle Think in rectangles. Train your brain. Unwind with Recto (Patches) — the relaxing Shikaku puzzle. Download free and start solving Shikaku puzzles today!