For more info on Loadsys, check this out

http://news.cnet.com/8301-27076_3-20067706-248.html

JRNTexas, for iOS, ALL game levels of the game, the free ones, AND the paid ones have to be included in your app. You don't have to write any executables. You have to make some kind of INDICATOR in a data file, to allow access to the paid levels, when the user does the inapp purchase.

The LoadSys article is very interesting. Could throw a huge wrench in Apple's programming scheme.

I found this article about Apple and Loadsys:

http://www.applepatent.com/2011/06/lodsys-apple-motions-to-interveve.html

Apple intercedes.