I suggest you read these two articles that gives you some of the reason behind the yearly release of franchises: http://www.gamasutra.com/view/news/115152/Analy

I suggest you read these two articles that gives you some of the reason behind the yearly release of franchises: http://www.gamasutra.com/view/news/115152/Analysis_Koticks_Raise_The_Price_Comment_And_AAA_Game_Value.php http://www.gamasutra.com/view/news/115152/Analysis_Koticks_R... http://www.wired.com/2007/12/call-of-duty-gu/ http://www.wired.com/2007/12/call-of-duty-gu/