Fill It Right

Fill it Right — Rectangle Logic Puzzle
Sharpen your mind with Fill it Right, a satisfying logic puzzle where every solve feels earned. Each board gives you numbered clues — your job is to divide the grid into perfect rectangles, with every clue sealed inside a shape that matches its exact size. No guessing, just pure logical thinking.
Simple to learn in your first puzzle, yet deep enough to challenge you for hundreds of levels ahead. Whether you have two minutes on a break or twenty minutes to unwind, Fill it Right adapts to how you like to play.
Features

Hundreds of handcrafted puzzles across increasing difficulty levels
Clean, distraction-free design built for focus
Light and dark modes for comfortable play, day or night
Helpful hints when a puzzle has you stuck
Undo and redo to freely test your ideas
Smooth, precise touch controls made for mobile
No login or account required — just open and play
Track your progress and build your solving streak

How to Play
Tap and drag to draw a rectangle on the grid. Each rectangle must contain exactly one number, and that number must equal the rectangle's total area. Keep going until the entire grid is filled with no gaps and no overlaps.
Easy to pick up. Deeply rewarding to master. Fill it Right is the calm, focused puzzle experience for anyone who loves a good logical challenge