The rules for this game vary among areas and college campuses throughout. There are a few definite rules that are followed in every game regardless of host, but House Rules are the major factor in determining the rules to be followed.
Some basic universal beer pong rules include:
1) bounce cups are worth 2 cups (ball can be blocked).
2) guys finger, girls blow.
3) 2 re-racks per team, per game.
4) same cup is worth 3 cups and balls back.
5) both teammates making a cup is balls back.