Also known as Binero, Takuzu, or Binairo, this puzzle game is simpler than Sudoku but can be as addictive.
3 simple rules to fill in the grid:
1/ Equal number of whites and blacks on each column and row
2/ No more than two whites or blacks side-by-side vertically and horizontally
3/ No identical column and row
Enjoy 4 levels of difficulty and 4 sizes of grid