# Shinshinka > Logic puzzle game connecting nodes and arrows to complete graphs. (iPhone/iPad app by Vector Horizon LLC.) - Source: https://appshunter.io/ios/app/shinshinka/id6781708433 (this page in markdown: same URL + `.md`) - Developer: [Vector Horizon LLC](https://appshunter.io/developer/6781708435) - Category: Games, Puzzle - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 124 MB - Languages: American English - Released: 2026-07-02 - Data updated: 2026-10-09 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/shinshinka/id6781708433/reviews.md ## What is Shinshinka? Shinshinka — The Arrow Graph Puzzle Sharpen your mind with Shinshinka, an innovative logic puzzle game that challenges the way you think. Connect the dots, follow the rules, and build the perfect graph — one arrow at a time. How it works Every puzzle is a hidden network of nodes connected by arrows. Starting from A1, each next node must be exactly one step greater — increase the letter, the number, or both by one. Fill in the missing nodes and arrows to complete the graph, making sure every tile is connected and nothing is left empty. Simple to learn. Endlessly challenging to master. Why you'll love it • Exercises logical reasoning, pattern recognition, and working memory • Every puzzle has one unique solution — no guessing, pure deduction • Over 15,000 boards and growing — new puzzles added daily • Scales in difficulty — from compact 4×4 grids to demanding 12×12 puzzles, with every size in between • Built-in tutorial walks you through every rule before your first real puzzle • Free hints when you're stuck, so you never have to give up Features • 15,000+ handcrafted puzzles with more added every day • Multiple grid sizes for every skill level • Relaxing ambient music and satisfying sound effects • Clean, minimal design that keeps the focus on the puzzle • Play offline — puzzles are cached for on-the-go solving • Suitable for all ages Shinshinka is completely free to download and play, supported by optional ads. No subscriptions, no paywalls — just pure puzzle solving. Whether you have 5 minutes or 5 hours, Shinshinka is the perfect mental workout. Download now and see how far your logic can take you. ## Key features - 15,000+ handcrafted puzzles - Daily new puzzles - Multiple grid sizes - Offline play - Relaxing ambient music - Unique solution per puzzle ## Is Shinshinka safe? Not enough ratings yet to assess Shinshinka. ## Is Shinshinka legit? Shinshinka has limited verification signals. The AppsHunter Legitimacy Score for Shinshinka is 48 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/shinshinka/id6781708433/reviews.md ### 5/5 — Enjoyable brain activity *2026-07-14* Great game, really makes you think. The concept is original and fresh. The Japanese theme transforms me into Zen mode. ### 5/5 — Great puzzle game! *2026-07-06* The idea of the game is very original and is executed well! If you enjoy puzzle and logic games this is for you! ## Frequently asked questions about Shinshinka ### What is Shinshinka? Shinshinka is a logic puzzle game where players connect nodes and arrows to complete a graph based on specific rules. It's designed to exercise logical reasoning and pattern recognition. ### How many puzzles are available in Shinshinka? Shinshinka features over 15,000 handcrafted puzzles, with new puzzles added daily. The game offers a vast amount of content for continuous play. ### Can I play Shinshinka offline? Yes, Shinshinka supports offline play. Puzzles are cached, allowing you to solve them on-the-go without an internet connection. ### Does Shinshinka have ads? Yes, Shinshinka is free to download and play and is supported by optional ads. The game does not have subscriptions or paywalls. ### What devices is Shinshinka available on? Shinshinka is available on iPhone, iPad, and iPod. It is designed for iOS devices. ### How does the difficulty scale in Shinshinka? The difficulty of Shinshinka puzzles scales from compact 4x4 grids to more demanding 12x12 puzzles, catering to all skill levels. ### Is there a tutorial for Shinshinka? Yes, Shinshinka includes a built-in tutorial that guides you through every rule before you start your first real puzzle. ### What is the age rating for Shinshinka? Shinshinka has an age rating of 4+, making it suitable for players of all ages. ## Version history (last 2 releases) ### 1.0.1 — 2026-08-07 • Hints now work offline and are more reliable. • Fixed an issue where the daily challenge could incorrectly say "Already solved today." • Performance and stability improvements. ### 1.0 — 2026-07-02 No release notes. ## Apps similar to Shinshinka | App | Rating | Price | Category | | --- | --- | --- | --- | | [Knightly: Chess Puzzles](https://appshunter.io/ios/app/knightly-chess-puzzles/id6758958051) | 5.0 (1) | Free | Games | | [Starlight: Star Logic Puzzle](https://appshunter.io/ios/app/starlight-star-logic-puzzle/id6466733399) | 5.0 (1) | Free | Games | | [Michi: World](https://appshunter.io/ios/app/michi-world/id6745433110) | — | Free | Games | | [Thread: A Quiet Puzzle](https://appshunter.io/ios/app/thread-a-quiet-puzzle/id6774718608) | 5.0 (5) | Free | Games | | [Zupple: Daily Puzzle Arena](https://appshunter.io/ios/app/zupple-daily-puzzle-arena/id6761848420) | 5.0 (1) | Free | Games | | [Ripply: Logic Puzzle](https://appshunter.io/ios/app/ripply-logic-puzzle/id1521454937) | 5.0 (1) | Free | Games | ## More apps by Vector Horizon LLC - [Codebreaker: Crack the Code](https://appshunter.io/ios/app/codebreaker-crack-the-code/id6786764415) All apps by Vector Horizon LLC: https://appshunter.io/developer/6781708435 --- *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 2026-10-09.*