Your goal is to get four circles in a row, either vertically, horizontally or diagonally. Start by choosing one column (signed with an arrow) and then select it to put the circle on the chosen column. The winner is the player who puts, in the first place, at least four circles in a row, either vertically, horizontally or diagonally. Otherwise the game will end with a draw. It is a game of strategy that works the following skills: planning, inhibitory control and cognitive flexibility.