Yeah, that's interesting. It won't last though. At least I think so. But as mentioned, AC cost a lot more to make than SMG, and I assume it costs a lot to produce it on both 360 and Ps3 since they are different formats. I assume it cost at least 3 times as much to make AC...
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS