Discover a new kind of binary Sudoku with modern graphics, animations, and ease of use!

Millions of top class binary free logic puzzles with selectable levels of difficulty! :) A binairo Sudoku like no other! A fresh take a binairo logic griddlers puzzle game, all free!
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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 top notch sudoku and binairo 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!

=> 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 binairo levels by defeating the previous difficulty level.
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Fight your friends to become the best logic binairo puzzle game player and reach the highest score at the smartest logic puzzle game!

We'll go back to beating the best binary sudoku logic puzzle game on the market now, see you in there!