Rectango: Daily Shikaku Puzzle

Split the grid into rectangles! A relaxing Shikaku logic puzzle with a daily challenge, 200+ levels, streaks and themes.

🟥🟨🟦 RECTANGO — the cozy logic puzzle that lives in your toolbar Split the grid into rectangles so that every rectangle contains exactly one number — and that number equals its area. Simple rules, deep logic, endlessly satisfying. Rectango is the classic Japanese Shikaku puzzle, rebuilt with smooth animations, soothing sounds and a reason to come back every day. HOW TO PLAY • Drag across cells to draw a rectangle • Each rectangle must hold one number equal to its area (a 2×3 rectangle needs a 6) • Tap a rectangle (or right-click) to erase it • Cover the whole grid to win — a live “3×2=6 ✓” bubble tells you when the size is right FEATURES 📅 Daily Puzzle — one new puzzle a day, the same for everyone. 6×6 on Monday up to 10×10 on Sunday 🔥 Streaks & shields — build your daily streak; every 7 days earns a 🛡️ shield that saves it if you miss a day 🔔 Gentle reminder — a small badge on the icon until today’s puzzle is solved (no notifications, no spam) 🗺️ Journey — 200+ levels in 9 chapters, from tiny 4×4 grids to 12×12 brain-burners, then endless ⚡ Quick Play — Easy, Medium, Hard and Expert, infinite fresh puzzles ⭐ 3-star ratings — solve it, skip hints, beat the par time 🎖️ XP & ranks — climb from Doodler to Legend; ranking up earns hints 🏆 20 achievements and detailed stats with a daily calendar 💡 Smart hints — reveals the most logical next rectangle when you are stuck ↩️ Unlimited undo, reset, and your game is saved automatically — close the popup anytime 🎨 8 themes to unlock — Candy, Paper, Ocean, Forest, Sunset, Neon, Ink and Midas 🎵 Procedural, calming sound effects (press M to mute) 📋 Share your result with friends — spoiler-free ⤢ Play in a full tab for bigger boards ✅ Every puzzle has exactly one solution — pure logic, no guessing PRIVACY No accounts, no ads, no analytics, no network requests. Your progress is stored only on your device. Works fully offline. KEYBOARD Ctrl+Z undo · H hint · M sound · Esc back · Enter next level Perfect for a 2-minute coffee break — or one more level… and one more.