LOOP: Slitherlink Puzzle

Connect the dots into a single loop, using only the numbers as clues. A calm logic puzzle that gently teaches you how to solve. New here? You'll be fine.

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.