After purchasing your game, one of the last things you want to happen is to finish it on the first day you bought it. It would seem in cases to me, that the only really lengthy games out there are RPGs. They could take anything from 30 - 70 hours to complete these days. And after completion in games, is there nothing else you can do except start again?
Are developers focusing on lengthy game play, or graphics to the best of their potential in a short time frame? What really keeps a player interested in the game? What added features should their be included to keep players captured?