Puzzle IO - Binary Sudoku

Puzzle IO is super simple and crazy addictive! Discover a new kind of Sudoku with modern graphics, animations, and ease of use!
Millions of top class puzzles with selectable levels of difficulty, all free! :)
All levels of difficulty are infinitely generated and are different every time!
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To play Puzzle IO, fill each 10 by 10 grid with 0 and 1. Each row and each column must contain the same number of 0 and 1. Three 0 or three 1 in a row isn't allowed ! Will you figure out the solution quickly enough and beat the best scores ?
Puzzle IO also features :
=> A smart point system ! Each complete and valid row gives you 11 points and you get to multiply that by 20 or more ! But be careful, the multiplier will decrease over time !
=> With Game Center implemented, you can now rank and compare Puzzle IO scores against your friends and challenge them to beat your highest score !
=> Six levels of difficulty which will test your wits in more than one way !
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You gain access to medium, hard, expert and nightmare levels by defeating the previous difficulty level. All levels are generated on the spot, you won't face the same grid twice !
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We'll go back to the game now, see you in there !