As the decades went by, some mega-franchise on gaming have established themselves as Titans on the industry, constantly churning out titles after titles of the series, and in the process, gaining legions of loyal fans.
As long they don't screw up the game too much with their status! It is just hard to fail if you keep the formula right. You can screw up sometime but people will forgive you if you do the next one right - case in point a certain Tiberium Wars!
