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Screenshots

  • Nonograms Katana screenshot 1
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About Nonograms Katana

Nonograms Katana: Sharpen your mind! Nonograms, also known as Hanjie, Griddlers, Picross, Japanese Crosswords, Japanese Puzzles, Pic-a-Pix, "Paint by numbers" and other names, are picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at the side of the grid to reveal a hidden picture. The numbers are a form of discrete tomography that measures how many unbroken lines of filled-in squares there are in any given row or column. For example, a clue of "4 8 3" would mean there are sets of four, eight, and three filled squares, in that order, with at least one blank square between successive groups. To solve a puzzle, one needs to determine which cells will be boxes and which will be empty. Determining which cells are to be left empty (called spaces) is as important as determining which to fill (called boxes). Later in the solving process, the spaces help determine where a clue (continuing block of boxes and a number in the legend) may spread. Solvers usually use a dot or a cross to mark cells they are certain are spaces. It is also important never to guess. Only cells that can be determined by logic should be filled. If guessing, a single error can spread over the entire field and completely ruin the solution. Features: - 1001 nonograms - All puzzles are free - All puzzles tested by computer program and have unique solution - Black-and-white and colored - Nonograms sorted by groups from 5x5 to 50x50 - Download puzzles sent by other users - Create and share your own puzzles - 15 free hints per puzzle - Use crosses, dots and other symbols to mark cells - Auto cross out numbers - Auto fill trivial and completed lines - Auto save; if you stuck you can try another puzzle and come back later - Zoom and smooth scrolling - Lock and zoom number bars - Lock current puzzle state, check assumptions - Customize background - Optional cursor for accurate picking - Undo and redo - Share result pictures - Save game progress to the cloud - Achievements and leaderboards - Screen rotation - Suitable for phones and tablets VIP Features: - No Ads - View Answer - 5 extra hints per puzzle The Guild Expansion: Welcome to the Adventurers Guild! By solving puzzles, you will get loot and experience. You will have weapons that allow you to deal with puzzles much faster. You will be able to complete quests and receive a reward. You will have to rebuild the settlement and collect the lost mosaic piece by piece. The Dungeon Expansion: Game in a game in a game. Isometric turn-based RPG. What adventurer doesn't dream of exploring a dungeon? site: https://nonograms-katana.com facebook: https://www.facebook.com/Nonograms.Katana

Ratings & reviews

4.8

6.7K ratings

5 ★ 88% 4 ★ 9% 3 ★ 2% 2 ★ 0% 1 ★ 1%

What’s new

Version 21.300 · Updated July 7, 2026

Adventurer's Guild and Dungeon expansions

App privacy

The developer, Ucdevs Interaction DOO, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • User Content: Gameplay Content, Other User Content
  • Contact Info: Email Address
  • Identifiers: User ID

Used for: Analytics, Product Personalization, App Functionality

Alternatives to Nonograms Katana

Looking for apps like Nonograms Katana? Here are 6 similar apps on the App Store. The highest rated is Nonogram - Logic Number Games (4.7/5), and all 6 are free to download.

Nonograms Katana vs. alternatives
App Rating Price Last updated Compare
Nonograms Katana 4.8 / 5 (6,795 ratings) Free July 7, 2026
Nonogram - Logic Number Games 4.7 / 5 (643) Free Jul 16, 2026 Compare
Luna Story (nonogram) 4.7 / 5 (1,929) Free Apr 10, 2024 Compare
Nonograms CrossMe 4.7 / 5 (2,343) Free Sep 16, 2026 Compare
Nonogram.com Color: Logic Game 4.7 / 5 (25,572) Free Sep 18, 2026 Compare
Pic-a-Pix: Nonogram Color 4.7 / 5 (2,610) Free Sep 2, 2026 Compare
Nonogram - Picture Cross 4.7 / 5 (9,609) Free Jul 24, 2026 Compare

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