Tetro Chance
Divide the grid into tetrominoes and satisfy the two-letter clues.
Controls
Draw region borders to split the grid into four-cell tetrominoes. Every region contains exactly two letters. If the two letters are equal, the region must have that tetromino shape; if they differ, the region must have neither of those shapes. Drag across cells to create regions, use Clear and the answer button.
Brain training · PuzGo