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Welcome to Sumtastic! 🎉 A relaxing math puzzle experience is now ready for you. • Logic-based number puzzles • Multiple difficulty tiers • Clean and calm gameplay • Play offline, anytime • Free to play Enjoy, and let us know what you think!
Fill the grid to match every row & column sum. Addictive math logic puzzles!
Sumtastic is a relaxing yet challenging math puzzle game built around a simple idea: fill the grid so that every row and column adds up to the target sum. No luck, no timers forcing your hand — just pure logic and numbers. HOW TO PLAY Each puzzle gives you a grid of numbers and a target sum for every row and column. Select the correct cells to keep so that each row and column total matches its target. Every puzzle has exactly one solution — it's all about deduction, not guessing. 400 HANDCRAFTED LEVELS Progress through 400 levels that scale from cozy 3x3 grids to brain-bending 7x7 challenges. The difficulty curve starts gentle so anyone can learn the rules in seconds, then gradually introduces bigger grids and trickier number combinations. 5 DIFFICULTY TIERS Very Easy, Easy, Medium, Hard, and Very Hard — every level is built from one of these tiers, so you always know what kind of challenge is coming, whether you want a quick warm-up or a serious brain workout. WHY YOU'LL LOVE SUMTASTIC Simple rules, deep strategy — easy to learn, satisfying to master Bite-sized puzzles perfect for short breaks or long sessions A calm, clean design that keeps the focus on the numbers No skill ceiling — from beginners to logic-puzzle veterans Play offline, anytime, anywhere Free to play A GREAT BRAIN TRAINING GAME If you enjoy number puzzles, logic games, sudoku-style challenges, or math brain teasers, Sumtastic will feel right at home. It's designed to sharpen your mental math and pattern recognition, one grid at a time. Download Sumtastic - Math Puzzle Game now and start solving!