How to play Dots and Boxes

Learn the rules to the board game Dots and Boxes quickly and concisely - This visually rich video has no distractions, just the rules. Dots and Boxes is a pencil-and-paper game for two players. It was first published in the 19th century by Édouard Lucas, who called it la pipopipette. It has gone by many other names, including the game of dots, boxes, dot to dot grid, and pigs in a pen.
Rules:

The object of the game is to have the most points. Setup. On a piece of paper, draw a grid dots. The grid may be of any size. Two players take turns adding a single horizontal or vertical line between two unjoined adjacent dots. The player who completes the fourth side of a 1×1 box earns one point and takes another turn. Record the point by placing a mark that identifies the player in the box, such as an initial. The game ends when no more lines can be placed. The winner is the player with the most points.