Shikaku: Rectangle Puzzle Game

Shikaku is the rectangle puzzle game that trains your brain one grid at a time. Draw rectangles on the grid. Each rectangle must contain exactly one number — and that number tells you the exact area of the rectangle. Fill every cell. Leave no gaps. That's the whole game. Easy to learn. Endlessly satisfying. HOW TO PLAY: • Each number on the grid defines one unique rectangle • The area of that rectangle must equal the number exactly • Fill the entire grid — no cell left empty, no overlap allowed • Use pure logic — there is no guessing in Shikaku WHAT'S INSIDE: ✓ 1,000+ Shikaku puzzles across Classic, Zen, and Time Attack modes ✓ Daily Challenge — a fresh rectangle puzzle every day ✓ Build your daily streak and compete on the leaderboard ✓ Difficulty levels — from small 5×5 beginner grids to challenging 12×12 expert boards ✓ 3 visual themes — Dark, Light, and Kit (2D arcade style) ✓ Play offline — no internet required, anytime anywhere ✓ Undo system — fix any mistake instantly ✓ Hint system — never get permanently stuck ✓ Energy recharges automatically — no pay-to-play walls PERFECT FOR LOGIC PUZZLE FANS: If you love Sudoku, Nonogram, or Kakuro, Shikaku offers the same pure logic experience with a refreshing mechanic. No random elements. No luck. Just clean deduction. A great brain game for adults who want to sharpen logical thinking during commutes, breaks, or quiet evenings. This is number puzzle gaming without the noise. DAILY PUZZLE & STREAK: A new Shikaku grid is waiting every single day. Complete the daily challenge to keep your streak alive. Every level has one perfect solution — find it through logic alone. PLAY YOUR WAY: • Classic Mode — solve puzzles at your own pace, no time pressure • Zen Mode — minimalist, distraction-free rectangle puzzle experience • Time Attack — race the clock for a real brain training challenge No forced ads during puzzle solving: Shikaku respects your focus. The game is free to play with optional upgrades. No pop-ups mid-puzzle. No forced video ads between levels. Challenge your brain. Fill the grid. Download Shikaku free today.