This is fairly simple. We'll start with the number 50. The objective is to get the number to reach either 0 or 100. Boys go to 100 girls go to 0 Boys aginst girls .
May the war begin!
LOL! I do think that the game mechanism can be rigged at times.
What if the majority of players are male? It means that the female players don't stand a chance (or less likely) to win, which I think is extremely unfair.