 Before play begins, the players agree on the number of links necessary to win the game.A game of "Brain Chain" takes approximately 30 minutes if the goal is four links in a row, an hour if the goal is five links, or 90 minutes if the winning condition is a six-link chain.Each turn begins with the playing of one "movement card" and as many "Brain Pills" as the player wishes and moving the playing pawn, clockwise, the corresponding number of spaces.