Maybe because it's has to do with crowd of female! Most female dont love game of destory or control empire, or huge ship to ship or fleet to fleet, or shoot someone like first shooter computer game, But Sims dont give a killing or control empire or some rot, yes I am male, and do have Sims 2, if male alone in sale, then there mostly wont be top sale, but might still selling to male who are late, but add to this there is a female who dont play battle or computer game or even young female might love to play Sims 2 rather then a doll or house. But game like this Sins of Solar Empire or Command of Coquer or any first shooter game like half life, those game most female find distaste, that's why Sims 2 most female appove, and there isn't many game for female will find enjoy, thought common child or animal lover will find game other then Sims 2 like z00 2 or something like that, I do have that kind of game, but Sims 2 or Z00 2 or even SimsCity 4, it's not my top daily, but Sins of a Solar Empire I will enjoy, everyday at least maybe because I'm male, but for female, they like "Men!", they love to have a family, love, love ect, while we glory of battle or empire,, Nothing wrong with female, I love way they are, though they could hmmmm little mean talking or getting in our way of enjoy something, but that's what there are. That's why Sims 2 stay in the power, because there is not many game for female! I think!