Blockdoku - Queens Puzzle

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!