0h h1 is a little logic game that follows three simple rules: - Three red tiles or three blue tiles next to each other in a row or column isn't allowed - A full row or column must have as many blue tiles as it has red ones. - No two rows are the same. No two columns either. Simply tap a tile to make it red or blue and complete the grid. 0h h1 gives you unlimited puzzles for all four grid sizes: 4 x 4 6 x 6 8 x 8 10 x 10 0h h1 is free, without ads, without social network requirements, without locked features and without nag screens. 0h h1 is a little gift to you. We hope you enjoy it. 0h h1 can also be played on 0hh1.com.