The game begins by placing one of each of the 4 colors in the center, forming a square. Then, the first player starts by placing a ball of their color at the top of the board, adjacent to the balls already there. If balls become "trapped" between this color, meaning there is a ball of that color at the beginning and end of a line (possible in all directions), all balls in between can be rolled over to the same color. Roll it! The game continues clockwise until the board is full. The player with the most visible balls of their color wins.