Blockdoku - Queens Puzzle

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Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
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About this game

Blockdoku is a smart logic puzzle on a grid for everyone who loves to train their brain. Simple rules, but every level makes you think!

🧩 HOW TO PLAY
Place blocks on the board so that three rules are satisfied:
• exactly one block in each row;
• exactly one block in each column;
• exactly one block in each colored zone.
And most importantly — no two blocks may touch, not even diagonally. Mark the empty cells with crosses and step by step find the one and only correct solution.

✨ FEATURES
• Hundreds of levels with a smooth difficulty curve — from 6×6 to large boards
• Daily puzzles and a rewards calendar
• Daily quests and a login streak
• Rank system: from Beginner to Grandmaster
• Hint boosters for when you get stuck
• 6 visual themes to suit any taste
• 7 interface languages
• Play offline — no internet required
• Free to play

🧠 GOOD FOR YOUR MIND
Blockdoku develops logic, focus and spatial thinking. A great brain workout on the go, in a queue or while relaxing — in any spare minute.

Love sudoku, Star Battle, nonograms and other logic puzzles? Then Blockdoku is made for you.

Download it and see how sharp your mind really is!
Logic puzzle: place one block in every row, column and colored zone!
Updated on
Jul 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity and Device or other IDs
  • This app may collect these data types
    App activity and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Minor bug fixes