In shuffleboard, each player uses a cue (cue-stick) to push their disks down the court to the opposite end. The cue length is six feet, three inches (1.91 m) or less, with hard plastic feet on the end (metal would damage the court surface). The cues are used to slide pucks on the court.

The object of the game is to try to get your puck to stop on the highest scoring area without it falling off the end of the court. There are zones you want to get your puck in, zone 1, 2 & 3. Zone 3 being the furthest down the court.

To gain points, the team with a puck the furthest down the court wins that round and gets to tally points. Knocking your opponents pucks off the board, leaving only yours, is another strategy. To determine points, count each puck that is in front of your opponents leading puck. For example, if your opponent only has one puck in Zone 1, but you have 2 pucks in Zone 2 and 3 then the score is 5. Most games go to 15 or 21 points.

More Info: en.wikipedia.org