Slitherlink: Daily Logic

Stuck on a loop? New Hints guide your next move. 2,000+ free Slitherlink puzzles, daily challenges, and offline play—calm logic like Sudoku.

Classic Nikoli loop puzzles. Connect the dots into one single loop — no crosses, no branches.

10,000+ free levels. Fresh daily challenges. Play offline anytime.

HOW TO PLAY Link adjacent dots so each number matches how many of its sides are part of the loop. Empty cells can have any number of lines (including none). When you’re done, the path must form exactly one continuous loop with no crossings or branches. Simple rules — surprisingly deep logic.

WHO IT’S FOR • Fans of Sudoku, logic grids, and brain teasers • Players who want a calm, thoughtful puzzle between tasks • Anyone discovering Nikoli classics (also known as Loop the Loop or Fences) • Beginners and experts — start small, then take on huge boards

FEATURES • 2,000+ free puzzles across multiple sizes and difficulties • Daily challenge to build a solving habit • Interactive tutorial that teaches core techniques • Hints on early levels so you never get stuck at the start • Helpful tools: guide lines, auto marks, check for errors • Offline play — no connection required • Extra puzzle packs when you want more • Optional subscription to remove ads and unlock subscriber perks (cancel anytime)

WHY SLITHERLINK If you like the “aha” moment of Sudoku, Slitherlink delivers the same satisfaction in a different shape: every edge you draw (or mark empty) is a deduction. Begin with easy boards, learn patterns like “0 next to 3,” then climb to larger daily grids.

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