Slinkora: Slitherlink Puzzle

A pure-logic loop puzzle you can solve offline. 120 unique-solution Slitherlink boards, gentle tutorials, and solver-powered hints.

Draw a single closed loop on a grid of dots — the numbers tell you how many edges around each cell belong to the loop. A pure-logic Nikoli classic (Slitherlink / Fences), 100% offline, no forced timer.

• 120 hand-verified unique-solution puzzles across four difficulty packs • Learn in 3 guided tutorial levels — no wall of text • Tap between dots to draw a line; long-press to mark × • Play fully offline — perfect for flights and commutes • Hints powered by a real solver (a provably-correct next step), colour-blind mode, single-step undo