# Slitherlink - Logic Puzzle — Pro Logic Grid Puzzles

> Pro Logic Grid Puzzles (iPhone/iPad app by 晓 郭.)

- Source: https://appshunter.io/ios/app/slitherlink-logic-puzzle/id6770950132 (this page in markdown: same URL + `.md`)
- Developer: [晓 郭](https://appshunter.io/developer/1895645928)
- Category: Games
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English
- Released: 2026-05-20
- Data updated: 2026-06-16
- User reviews in markdown: https://appshunter.io/ios/app/slitherlink-logic-puzzle/id6770950132/reviews.md

## What is Slitherlink?

Slitherlink - The definitive logic puzzle experience for serious puzzle solvers.

Based on the classic Nikoli puzzle, this app delivers a refined, performance-optimized implementation with intelligent puzzle generation and comprehensive progress tracking.

Technical Features:
• Algorithmically generated puzzles ensuring high-quality challenges
• Three calibrated difficulty tiers: 5×5 (Easy), 7×7 (Medium), 10×10 (Hard)
• Real-time conflict detection with visual feedback
• Efficient undo system with 100-step history
• Persistent state management with auto-save
• Performance-optimized rendering for smooth 60fps gameplay

Game Mechanics:
• Three-state edge marking: line, cross, undecided
• Loop validation: single continuous closed path verification
• Clue satisfaction: numerical constraint checking
• Best time tracking per difficulty level
• Completion statistics and progress analytics

Designed for players who appreciate mathematical logic, constraint satisfaction problems, and systematic problem-solving. Ideal for fans of Sudoku, Minesweeper, and other deductive reasoning puzzles.

Elevate your puzzle-solving expertise.


## Version history (last 1 release)

### 1.0.0 — 2026-05-20

No release notes.

## More apps by 晓 郭

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- [DClipVideo](https://appshunter.io/ios/app/dclipvideo/id6764473171)
- [Smart Travel Packing Assistant](https://appshunter.io/ios/app/smart-travel-packing-assistant/id6764518917)
- [Periodic table tool](https://appshunter.io/ios/app/periodic-table-tool/id6764566398)
- [KindQuest](https://appshunter.io/ios/app/kindquest/id6768220368)

All apps by 晓 郭: https://appshunter.io/developer/1895645928

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-16.*