. . "Some game types seem pretty equal to me (i.e. Farmville, Say the Same Thing, etc.) In making this reply I did a little research and found an article which claims that men experience stronger feelings of reward in games that involve gaining territory and aggression. ( http://med.stanford.edu/news_releases/2008/february/videobrain.html ) I believe Ingress is highly territory-based, thus causing men" . .