Slitherlink vs MonoBrain

The Ultimate Number Loop Puzzle for Your Brain\! "Slitherlink" — also known as Fences, Takegaki, or Loop the Loop — is the definitive pencil puzzle that sharpens your logical thinking with numbers. Connect dots on a grid to draw a single closed loop. Numbers in cells tell you exactly how many sides of that cell are part of the loop. Simple rules, yet endlessly deep strategy. ■ Daily Brain Training Every puzzle demands careful deduction and logical reasoning. One puzzle a day to sharpen your focus and build analytical skills — start your intellectual habit today. ■ Relax and Think Deeply Play at your own pace with no time pressure. Enjoy a calm, focused puzzle experience perfect for unwinding. ■ 4 Difficulty Levels + Tutorial * Tutorial (3×3): Learn the basics step by step * Easy (4×4): Quick and fun for beginners * Normal (5×5): Satisfying daily brain workout * Hard (8×8): Challenge for experienced players * Very Hard (10×10): Ultimate test of logic ■ Solving Tips Visual tips teach key patterns. Beginners master fundamentals; experts advance their techniques. ■ Time Attack & Leaderboard Beat your best times and compete in daily challenges on the global leaderboard. ■ Clean & Intuitive Design High visibility grid, no distractions — pure puzzle enjoyment. Also known as: Number Loop, Loop Puzzle, Fences Puzzle. Start your Slitherlink journey today and train your brain every day\!

MonoBrain is a brain-training app built around classic number logic - the kind of puzzles you know from intelligence trainers, generated fresh every time you play. FIVE GAME MODES - Number Sequences: spot the hidden rule and continue the series - Magic Squares: fill the grid so that every row, column and diagonal adds up - Number Pyramid: each block is the sum of the two below it - Number Analogies: find the relationship between two numbers and apply it - Number Scale: symbols stand for numbers; crack their values from the equations FIVE DIFFICULTY LEVELS From Beginner to Genius: higher levels don't just use bigger numbers - they need more steps, cleverer combinations and second-order patterns. Every puzzle is generated so that it can be solved by pure logic, without guessing. TROPHIES AND STREAKS Answer correctly in a row to earn Bronze, Silver and Gold trophies for every mode and level. Trophies are earned one after another - first Bronze, then a fresh streak for Silver, then Gold. LEARN FROM EVERY TASK If you get one wrong, MonoBrain shows you the rule behind it. If you get it right, you can reveal the explanation on demand. - Thousands of possible puzzles, no repeats in a row - Short rounds of five tasks - perfect for a coffee break - Works completely offline - Available in English, German, Danish, Dutch, Spanish, French, Italian and Portuguese Free to play, supported by ads. Ads are never shown while you are solving a puzzle.