The AI in Nail'd does offer a bit more of a challenge on the higher difficulties, but most players are going to want to play their buds or smoke some smack talking chump in California. Don't worry, because Xbox Live multiplayer is available, as well as local multiplayer but it will require a system link. The lack of being able to turn on a second controller and race your friend appears to be missing and I think this has become a common oversight in this genre. http://naildbiter.com/4Z4UQ