Here are the rules for Beer Pong Duos:
1) The Cup Formation is 3-2-1 (6 cups).
2) During offense, the players can choose between a standard shot and a bounce shot.
3) During offense, the players must keep their elbows behind the table, or the shot will not be counted.
4) Both players from one team are given a ping pong ball to shoot and may do so simultaneously.
5) Both players from the current team must have taken a shot before the other team can shoot.
6) A standard shot is worth 1 cup.
7) A bounce shot is worth 2 cups.
8) If both shooters score with a normal shot in the same cup, the opposing team loses 3 cups.
9) If the shooters score one bounce and one normal shot, the opposing team loses 3 cups.
If they score in the same cup, the opposing team loses 5 cups.
10) If both shooters score a bounce shot the opposing team loses 4 cups.
If they score in the same cup, the opposing team loses 6 cups.
11) A bounce shot can be blocked.
12) Illegal blocks cost the defenders one cup.
13) If the shooters win with one cup left, the opposing team is given 2 shots to try to extend the game into overtime.