Slitherlink vs Loopnest

Slitherlink is a classic logic puzzle played on a grid. Some cells contain number clues. Your goal is to draw a single continuous loop along the grid edges so that every clue is satisfied. Each number tells you how many of its four sides must be part of the loop. The loop cannot branch, cross itself, or form multiple smaller loops. Every puzzle has exactly one correct solution and can be solved using logic and deduction alone — no guessing required. Simply tap the space between two dots to switch edge states: line → X → empty. Mark lines to build your loop and use X to eliminate impossible edges. Enjoy unlimited fun with infinity puzzle generation, so you will never run out of challenges. Play offline anytime, anywhere. Choose Quick Mode with Easy, Medium, or Hard difficulty, or test your skills in Challenge Mode with 100 handcrafted levels. The game supports both light and dark mode for comfortable play day or night. Clean design. Pure logic. Endless puzzles.

Simple rules. Thoughtful puzzles. One complete loop. In Slitherlink, each number tells you how many lines surround its cell. Draw lines between dots to satisfy every clue and form one closed loop. Lines must not branch, cross, or form separate loops. • 600 free puzzles • Three board sizes: 5×5, 6×6, and 7×7 • Illustrated rules and controls • A daily pick from the free collection • Hints, undo, and redo • X marks to rule out edges • Automatically saved progress • Zoom and pan controls • Three color themes Premium Puzzle Pack Unlock 2,400 additional puzzles with a one-time in-app purchase, including 800 puzzles for each board size. This is a non-consumable purchase, not an auto-renewing subscription. Take your time, follow the clues, and complete the loop.