The box cover invites you to 'Turn your Mind to the Challenge'.A four-in-a-row variant where the board is made of concentric rings that can be rotated. Players place one peg at a time into empty spots and then use that peg to rotate the ring.The game comes with 'standard' and 'advanced' rules the advanced rules allow players to capture pairs of opponent's pegs. In either set of rules, the first to get four of their pegs in a radial row wins. - BoardGameGeek