The most important and most common rule is 3-15.
You have 3 "lives" and each time you get hit on your body or blaster, you count to 15 while moving away from the front lines. If you finish counting and you are still really close with the opposing team, close enough for you to shoot them or them shoot you, then you must find another place to come back into play.
Once all the players have been defeated on one team the game is over.
*Edit* Oh wow, this is my 1000th post... I guess I'm that good of a spammer.
Edited by Galaxy613, 09 January 2011 - 11:31 PM.