LOOP vs Slitherlink

Connect the dots into a single closed loop, using only the numbers as your clues. LOOP is a calm, focused logic puzzle you can pick up in a spare minute. New to it? The app walks you through solving, one step at a time. LOOP is a Slitherlink (also called Loop the Loop or Fences). Each number tells you how many of that cell's four sides are part of the loop. Follow the numbers to draw one single loop — no branches, no loose ends. ■ Why you'll like LOOP - A simple rule: turn the numbers into one closed loop. - Every puzzle has exactly one solution — never ambiguous. - Easy and Medium are solvable by pure logic — no guessing required. - Four levels: Easy, Medium, Hard, Expert. - A daily challenge, plus a streak that grows as you keep going. - An interactive how-to that guides your very first solve. - A coached Practice mode that explains the next move and WHY. - Undo/redo, pinch-to-zoom, and optional auto-X for smooth play. - Rich stats: solves, average time, streaks, per-level bests, a daily calendar. - Fully offline. No account, no sign-up. - English & Japanese. Easy on the eyes in Dark Mode. ■ Great for - Fans of Slitherlink and pencil puzzles - Anyone who wants a quiet moment of focus between tasks - Sudoku solvers looking for their next logic puzzle - Beginners who want to learn the ropes properly ■ Privacy & peace of mind - No internet connection or server needed. - No account and no personal data required. - Your records stay on your device.

Slitherlink, the classic logic puzzle — drawn like pen on paper. The rules are simple. Each number counts the lines surrounding its cell. Satisfy every number while drawing one single closed loop — no branches, no crossings — and the puzzle is complete. It looks easy, and then the logic gets delicious. Every puzzle has exactly one solution. Guessing is never required: every generated puzzle is mathematically verified to have a unique answer. Difficulty names mean something here, too — we measure the depth of reasoning each puzzle actually needs, and only serve ones that earn their label. ■ Features • New to Slitherlink? A hands-on tutorial teaches the rules on a tiny practice board • Four difficulties — from Easy 5×5 to Expert 12×12 • Daily Puzzle — the same board for everyone each day, with an attendance calendar and streaks • Paper-quiet design — an ink-and-paper ledger look, in light and dark • Comfortable controls — tap to draw, long-press to mark ×, drag along the dots • Room for big boards — pinch to zoom, two-finger pan, iPad and Apple Pencil support • Mistake-proof — unlimited undo/redo and automatic saving • Track your progress — best and average times per difficulty For the moments you want quiet focus, one board of Slitherlink is enough.