"18 (Square)" is a popular board game designed for two to four players. The game involves strategic placement of numbered tiles on a grid, aiming to create squares of the same number. Players take turns drawing tiles and placing them on the board, with the goal of maximizing their score by forming larger squares. The game is known for its simple rules and engaging gameplay, making it suitable for both children and adults. It encourages critical thinking and spatial awareness, as players must consider their moves carefully to outsmart their opponents and control the board effectively.