0h h1 Brain Crush Online Mobile Games.0h h1 is an addicting game for young and old. It is a little logic game where you have to fill the grid with either red or blue tiles. 0h h1 follows three simple rules: 1.Three red tiles or three blue tiles next to each other in a row or column isn't allowed. 2. A full row or column must have as many blue tiles as it has red ones. 3. No two rows are the same. No two columns either.