Simpler than Sudoku, As Much Fun and More Addictive
Fill in the grids with 0's and 1's by respecting 3 simple rules:
1/ Equal number of 0's et 1's on each column and row
2/ No more than two 0's or 1's side-by-side vertically and horizontally
3/ No identical column and row
4 levels of difficulty, 5 different sizes....1000 unique games to play