# Light and Shadow Logic Puzzles — Logic Problem Puzzles > Grid-based binary determination logic puzzle game with adjustable difficulty and themes. (iPhone/iPad app by Christian Lueth.) - Source: https://appshunter.io/ios/app/light-and-shadow-logic-puzzles/id1353420587 (this page in markdown: same URL + `.md`) - Developer: [Christian Lueth](https://appshunter.io/developer/1041680819) - Category: Games, Entertainment, Board, Trivia - Price: Free with in-app purchases - Rating: 4.00/5 from 5 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 10.3 · 25 MB - Languages: American English, German (Germany) - Released: 2018-03-17 - Data updated: 2026-08-13 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/light-and-shadow-logic-puzzles/id1353420587/reviews.md ## What is Light and Shadow Logic Puzzles? 'Light and Shadow' is a binary determination puzzle in which the cells in a grid are split into shaded and unshaded cells. If you like 'Sudoku', you will love 'Light and Shadow'! ++++++++++++++++++++++++++++++++ completely add-free! ++++++++++++++++++++++++++++++++ Features: 20 puzzles (Light & Shadow): • 8 levels of difficulty each containing 2-3 puzzles from "Greenhorn" to "Grandmaster" • additional levelpacks available via in app purchase 80 puzzles (Light & Shadow Pro): • 8 levels of difficulty each containing 10 puzzles from "Greenhorn" to "Grandmaster" • additional levelpacks available via in app purchase 3 layouts: • light • coffee • dark 2 languages: • german • english additional Features: • Game Center support • playable in portrait and landscape mode • use "Pinch-to-Zoom" for a better overview compatible devices: • iPhone 5 or newer • iPad • iPad Pro • iMac, MacBook, Mac Mini (requires iOS10.3/tvOS9/macOS10.5 or higher) ++++++++++++++++++++++++++++++++ If you like the app, please leave me a good review! If you have questions, problems or suggestions, please contact me by email to lightandshadow.app@icloud.com. New puzzles are in progress and coming soon! ## Key features - Binary determination grid puzzles - Multiple difficulty levels - Themed puzzle packs - Adjustable layouts and languages - Game Center support - Portrait and landscape modes - Pinch-to-zoom functionality ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | X00: Mega ProPack (60 puzzles) | $0.99 | one-time | | A01: Greenhorn 1 (50 puzzles) | $0.99 | one-time | | B01: Beginner 1 (50 puzzles) | $0.99 | one-time | | C01: Advanced 1 (50 puzzles) | $0.99 | one-time | | D01: Amateur 1 (50 puzzles) | $0.99 | one-time | | E01: Professio. 1 (50 puzzles) | $0.99 | one-time | | F01: Expert 1 (50 puzzles) | $0.99 | one-time | | G01: Whiz 1 (50 puzzles) | $0.99 | one-time | | H01: Grandmast. 1 (50 puzzles) | $0.99 | one-time | | X01: Mega Pack 1 (400 puzzles) | $2.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/light-and-shadow-logic-puzzles/id1353420587/reviews.md ### 1/5 — Schlecht *2026-07-12* Die Spiele können leider nur einzeln zurückgesetzt werden, was sehr aufwändig und nervig ist. ### 5/5 — Toller Denksport *2019-12-25* Macht super Spaß. Und ganz ohne Werbung. Da kaufe ich doch gern noch ein paar Spiele hinzu. ## Frequently asked questions about Light and Shadow Logic Puzzles ### What is Light and Shadow Logic Puzzles? Light and Shadow Logic Puzzles is a grid-based logic game where players determine which cells to shade. It's designed for users who enjoy challenges similar to Sudoku. ### Does Light and Shadow Logic Puzzles have ads? No, Light and Shadow Logic Puzzles is completely add-free, offering an uninterrupted puzzle-solving experience. ### How many puzzles are included in Light and Shadow Logic Puzzles? The base game includes 20 puzzles, with an additional 80 puzzles available in the 'Light & Shadow Pro' version. Both versions offer multiple difficulty levels. ### Can I purchase additional puzzles for Light and Shadow Logic Puzzles? Yes, additional level packs for both the standard and Pro versions of the game are available via in-app purchase. ### What devices is Light and Shadow Logic Puzzles compatible with? Light and Shadow Logic Puzzles is compatible with iPhone 5 or newer, iPad, iPad Pro, and Macs, requiring iOS 10.3, tvOS 9, or macOS 10.5 or higher. ### What languages does Light and Shadow Logic Puzzles support? The game supports two languages: German and English, allowing a wider audience to enjoy the puzzles. ### How often is Light and Shadow Logic Puzzles updated? The latest version is 2.0.2, last updated on August 4, 2020. New puzzles are reportedly in progress and coming soon. ### What is the age rating for Light and Shadow Logic Puzzles? Light and Shadow Logic Puzzles has an age rating of 4+, making it suitable for a broad range of players. ## Version history (last 5 releases) ### 2.0.2 — 2020-08-04 • BUGFIX: in app purchases fixed • BUGFIX: layout modifications If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to lightandshadow.app@icloud.com. I wish you a lot of fun while solving the new puzzles! ### 2.0.1 — 2020-08-03 • BUGFIX: settings layout fixed If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to lightandshadow.app@icloud.com. I wish you a lot of fun while solving the new puzzles! ### 2.0.0 — 2020-08-02 • NEW: complete redesign with the new layouts 'light', 'dark' and 'coffee • NEW: Logicals is now available on iOS and macOS (load once and enjoy on both platforms!) • NEW: all PuzzlePacks permanently cheaper If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to lightandshadow.app@icloud.com. I wish you a lot of fun while solving the new puzzles! ### 1.1.1 — 2018-12-27 • NEW: privacy policy • BUGFIX: incorrect display of buttons in landscape mode on iPhone fixed If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to lightandshadow.app@icloud.com. I wish you a lot of fun while solving the new puzzles! ### 1.1.0 — 2018-04-18 • NEW: settings for language, layout & timer (activate/deactivate) • BUGFIX: font type of timer changed • BUGFIX: button font size on iPad increased If you like the app, feel free to add an app review. If you have problems or suggestions for improvement, please contact me by sending an e-mail to lightandshadow.app@icloud.com. I wish you a lot of fun while solving the new puzzles! ## Apps similar to Light and Shadow Logic Puzzles | App | Rating | Price | Category | | --- | --- | --- | --- | | [Nurimisaki](https://appshunter.io/ios/app/nurimisaki/id1455304249) | — | Free | Games | | [Nurikabe: Islands & Walls](https://appshunter.io/ios/app/nurikabe-islands-and-walls/id581912445) | 4.9 (398) | Free | Games | | [Hoshi: Star Battle Puzzles](https://appshunter.io/ios/app/hoshi-star-battle-puzzles/id1663477610) | 4.7 (258) | Free | Games | | [Colorma](https://appshunter.io/ios/app/colorma/id6471999662) | 4.9 (1,167) | Free | Games | | [Hard Penny Dell Logic Puzzles](https://appshunter.io/ios/app/hard-penny-dell-logic-puzzles/id879060318) | 4.6 (2,935) | Free | Games | | [Sudoku: Variants & Classic](https://appshunter.io/ios/app/sudoku-variants-and-classic/id1530683853) | 4.8 (1,572) | Free | Games | ## More apps by Christian Lueth - [Logicals Pro](https://appshunter.io/ios/app/logicals-pro/id1041680820) - [Logicals](https://appshunter.io/ios/app/logicals/id1067062478) - [Hitori - Logic Puzzles](https://appshunter.io/ios/app/hitori-logic-puzzles/id1250981450) - [Hitori Pro](https://appshunter.io/ios/app/hitori-pro/id1264501421) - [Light and Shadow Pro](https://appshunter.io/ios/app/light-and-shadow-pro/id1353421096) All apps by Christian Lueth: https://appshunter.io/developer/1041680819 ## Related topics [light and shadow](https://appshunter.io/ios/topics/light-and-shadow) --- *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 2026-08-13.*