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...
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 and font
- Switch day and night modes, customize color schemes
- Optional cursor for accurate picking
- Undo and redo
- Share result pictures
- Save game progress to the cloud
- Achievements and leaderboards
- Screen rotation, as well as puzzle 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
Previous Versions
Here you can find the changelog of Nonograms Katana since it was posted on our website on 2014-11-12 18:10:36.
The latest version is 21.21 and it was updated on 2026-06-11 18:13:25. See below the changes in each version.
Nonograms Katana version 21.21
Updated At: 2026-05-20
Changes: 21.2
- New bonus mosaic
- Some extra content
- Ariadne's thread now checks other floors
- Spiral staircases no longer lead to the boss room
- Glass technology: required quartz reduced 10 -> 8
- Minor fixes and improvements
Nonograms Katana version 21.13
Updated At: 2025-12-25
Changes: 21.1
- New bonus mosaic
- Dungeon: some extra content
- Senpai Premium Subscription
- Minor fixes
Nonograms Katana version 21.04
Updated At: 2025-11-13
Changes: 21.0
- Interface improvements
- Explore the new content in the Adventurer's Guild and the Dungeon
- Auto-dungeon
Nonograms Katana version 20.2
Updated At: 2025-04-16
Changes: 20.2
- New bonus mosaic
- Pets: metamorphosis
- Google Play on PC: mouse wheel support
- Minor fixes
Nonograms Katana version 20.11
Updated At: 2025-01-22
Changes: 20.1
- Explore the new content in the Adventurer's Guild and the Dungeon
- Citadel
Nonograms Katana version 20.02
Updated At: 2025-01-06
Changes: 20.0
- Explore the new content in the Adventurer's Guild and the Dungeon
- Citadel
Nonograms Katana version 19.13
Updated At: 2024-10-30
Changes: 19.13
- Series: new sorting "Rating / Number of episodes", now it's default
- Fixed rare unpassable nono-ban room
- Added few icons to skills, projects and dungeon info
19.12
- Auto downloading of previously completed puzzles
- Tap the preview to scroll the puzzle to the specific location
- Upgrade building: option to show quantity in warehouse (倉)
- Info about the current upgrade is now available during production/journey
- Limitless cauldron option
Nonograms Katana version 19.12
Updated At: 2024-10-10
Changes: 19.12
- Auto downloading of previously completed puzzles
- Tap the preview to scroll the puzzle to the specific location
- Upgrade building: option to show quantity in warehouse (倉)
- Info about the current upgrade is now available during production/journey
- Train upgrade to level 2 is now locked until at least one carriage is built
- Dungeon: critters can no longer use buffs and debuffs if they are mad
- Limitless cauldron option
- Minor fixes and improvements
Nonograms Katana version 19.04
Updated At: 2024-07-29
Changes: 19.0
- Nonograms: Align mode buttons for locked number bars
- Guild: Steam powered train!
- Dungeon: Now your heroes can tame familiars!
- You can give names to your heroes and pets
- Find and solve the secret Nono-ban
- Colorful threads of Ariadne (you can place marks and return to them quickly; quick escape; you can take 2 more threads)
- Dungeon quick access bar: items can be reordered (move left /right, add to the beginning / end)
- Bridge: Salmon passive farming technology
Nonograms Katana version 18.21
Updated At: 2024-04-29
Changes: - Exhaustive puzzle info (context menu)
- New bonus mosaic (does not affect achievement)
- Bourse: Cultist can buy more grimoires and ancient pages
- My Nonograms: option to use a secondary English name instead of a local name (default for English speaking users)
- Minor fixes
Disclaimer
Official Google Play Link
We do not host Nonograms Katana on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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